grounder ground ball groundball hopper | (baseball) a hit that travels along the ground |
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 |
pigeon hawk merlin Falco columbarius | small falcon of Europe and America having dark plumage with black-barred tail, used in falconry |
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 |
pigeon | wild and domesticated birds having a heavy body and short legs |
pouter pigeon pouter | one of a breed of pigeon that enlarge their crop until their breast is puffed out |
rock dove rock pigeon Columba livia | pale grey Eurasian pigeon having black-striped wings from which most domestic species are descended |
band-tailed pigeon band-tail pigeon bandtail Columba fasciata | wild pigeon of western North America, often mistaken for the now extinct passenger pigeon |
wood pigeon ringdove cushat Columba palumbus | Eurasian pigeon with white patches on wings and neck |
domestic pigeon | domesticated pigeon raised for sport or food |
roller tumbler tumbler pigeon | pigeon that executes backward somersaults in flight or on the ground |
homing pigeon homer | pigeon trained to return home |
carrier pigeon | a homing pigeon used to carry messages |
passenger pigeon Ectopistes migratorius | gregarious North American migratory pigeon now extinct |
ground roller | Madagascan roller with terrestrial and crepuscular habits that feeds on e.g. insects and worms |
pigeon guillemot Cepphus columba | northern Pacific guillemot |
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 |
clay pigeon | target used in skeet or trapshooting |
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 |
ground earth | a connection between an electrical device and a large conducting body, such as the earth (which is taken to be at zero voltage) |
ground bait | bait scattered on the water to attract fish |
ground cable | a mooring cable, runs from a buoy to a mooring anchor |
ground control | a communication system for sending continuous radio messages to an airplane pilot who is making a groundontrolled approach to landing |
ground floor first floor ground level | the floor of a building that is at or nearest to the level of the ground around the building |
ground plan | a floor plan for the ground level of a building |
groundsheet ground cloth | a waterproofed piece of cloth spread on the ground (as under a tent) to protect from moisture |
hovercraft ground-effect machine | a craft capable of moving over water or land on a cushion of air created by jet engines |
land mine ground-emplaced mine booby trap | an explosive mine hidden underground, explodes when stepped on or driven over |
loft pigeon loft | a raised shelter in which pigeons are kept |
proving ground | a workplace for testing new equipment or ideas |
stool pigeon | a dummy pigeon used to decoy others |
grade ground level | the height of the ground on which something stands, the base of the tower was below grade |
hyaloplasm ground substance | the clear nongranular portion of the cytoplasm of a cell |
matrix intercellular substance ground substance | the body substance in which tissue cells are embedded |
ground | a relatively homogeneous percept extending back of the figure on which attention is focused |