grounder ground ball groundball hopper | (baseball) a hit that travels along the ground |
shark repellent porcupine provision | a measure undertaken by a corporation to discourage unwanted takeover attempts |
ground stroke | a tennis return made by hitting the ball after it has bounced once |
dark ground illumination dark field illumination | a form of microscopic examination of living material by scattered light, specimens appear luminous against a dark background |
ground attack | an attack by ground troops |
shark | any of numerous elongate mostly marine carnivorous fishes with heterocercal caudal fins and tough skin covered with small toothlike scales |
cow shark six-gilled shark Hexanchus griseus | large primitive shark widely distributed in warm seas |
mackerel shark | fierce pelagic and oceanic sharks |
mako mako shark | powerful mackerel shark of the Atlantic and Pacific |
bonito shark blue pointed Isurus glaucus | common blue-grey shark of southwest Pacific, sport and food fish |
great white shark white shark man-eater man-eating shark Carcharodon carcharias | large aggressive shark widespread in warm seas, known to attack humans |
basking shark Cetorhinus maximus | large harmless plankton-eating northern shark, often swims slowly or floats at the sea surface |
thresher thrasher thresher shark fox shark Alopius vulpinus | large pelagic shark of warm seas with a whiplike tail used to round up small fish on which to feed |
carpet shark Orectolobus barbatus | shark of the western Pacific with flattened body and mottled skin |
nurse shark Ginglymostoma cirratum | small bottom-dwelling shark of warm shallow waters on both coasts of North America and South America and from southeast Asia to Australia |
sand tiger sand shark Carcharias taurus Odontaspis taurus | shallow-water shark with sharp jagged teeth found on both sides of Atlantic, sometimes dangerous to swimmers |
whale shark Rhincodon typus | large spotted shark of warm surface waters worldwide, resembles a whale and feeds chiefly on plankton |
cat shark | small bottom-dwelling sharks with cat-like eyes, found along continental slopes |
requiem shark | any of numerous sharks from small relatively harmless bottom-dwellers to large dangerous oceanic and coastal species |
bull shark cub shark Carcharhinus leucas | a most common shark in temperate and tropical coastal waters worldwide, heavy-bodied and dangerous |
sandbar shark Carcharhinus plumbeus | most common grey shark along coasts of middle Atlantic states, sluggish and occasionally caught by fishermen |
blacktip shark sandbar shark Carcharhinus limbatus | widely distributed shallow-water shark with fins seemingly dipped in ink |
whitetip shark oceanic whitetip shark white-tipped shark Carcharinus longimanus | large deep-water shark with white-tipped dorsal fin, worldwide distribution, most dangerous shark |
dusky shark Carcharhinus obscurus | relatively slender blue-grey shark, nearly worldwide in tropical and temperate waters |
lemon shark Negaprion brevirostris | common shallow-water schooling shark of the Atlantic from North Carolina to Brazil and off west Africa, dangerous |
blue shark great blue shark Prionace glauca | slender cosmopolitan, pelagic shark, blue body shades to white belly, dangerous especially during maritime disasters |
tiger shark Galeocerdo cuvieri | large dangerous warm-water shark with striped or spotted body |
soupfin shark soupfin soup-fin Galeorhinus zyopterus | Pacific shark valued for its fins (used by Chinese in soup) and liver (rich in vitamin A) |
smoothhound smoothhound shark Mustelus mustelus | smooth dogfish of European coastal waters |
whitetip shark reef whitetip shark Triaenodon obseus | smooth dogfish of Pacific and Indian Oceans and Red Sea having white-tipped dorsal and caudal fins |
hammerhead hammerhead shark | medium-sized live-bearing shark with eyes at either end of a flattened hammer-shaped head, worldwide in warm waters, can be dangerous |
shovelhead bonnethead bonnet shark Sphyrna tiburo | small harmless hammerhead having a spade-shaped head, abundant in bays and estuaries |
angel shark angelfish Squatina squatina monkfish | sharks with broad flat bodies and winglike pectoral fins but that swim the way sharks do |
ground-shaker seismosaur | huge herbivorous dinosaur of the Cretaceous found in western North America |
ground snake Sonora semiannulata | small shy brightlyinged terrestrial snake of arid or semiarid areas of western North America |
eastern ground snake Potamophis striatula Haldea striatula | in some classifications placed in genus Haldea, small reddish-grey snake of eastern North America |
ground rattler massasauga Sistrurus miliaris | small pygmy rattlesnake |
ground roller | Madagascan roller with terrestrial and crepuscular habits that feeds on e.g. insects and worms |
ground beetle carabid beetle | predacious shining black or metallic terrestrial beetle that destroys many injurious insects |
ground squirrel gopher spermophile | any of various terrestrial burrowing rodents of Old and New Worlds, often destroy crops |
mantled ground squirrel Citellus lateralis | common black-striped reddish-brown ground squirrel of western North America, resembles a large chipmunk |
flickertail Richardson ground squirrel Citellus richardsoni | of sagebrush and grassland areas of western United States and Canada |
Arctic ground squirrel parka squirrel Citellus parryi | large ground squirrel of the North American far north |
eastern chipmunk hackee striped squirrel ground squirrel Tamias striatus | small striped semiterrestrial eastern American squirrel with cheek pouches |
barren ground caribou Rangifer arcticus | of tundra of northern Canada, in some classifications included in the species Rangifer tarandus |
ground sloth megathere | gigantic extinct terrestrial sloth-like mammal of the Pliocene and Pleistocene in America |
air-to-ground missile air-to-surface missile | a missile designed to be launched from an airplane at a target on the ground |
anchor ground tackle | a mechanical device that prevents a vessel from moving |
flat coat ground primer priming primer coat priming coat undercoat | the first or preliminary coat of paint or size applied to a surface |
ground | (art) the surface (as a wall or canvas) prepared to take the paint for a painting |