Dictionary

All Word
osprey Noun large harmless hawk found worldwide that feeds on fish and builds a bulky nest often occupied for years
obstetrical toad Noun European toad whose male carries the fertilized eggs wrapped around its hind legs until they hatch
olive ridley Noun olive-colored sea turtle of tropical Pacific and Indian and the southern Atlantic oceans
ornithischian Noun herbivorous dinosaur with a pelvis like that of a bird
ornithischian dinosaur Noun herbivorous dinosaur with a pelvis like that of a bird
ornithopod Noun bipedal herbivorous dinosaur
ornithopod dinosaur Noun bipedal herbivorous dinosaur
ornithomimid Noun lightly built medium-sized dinosaur having extremely long limbs and necks with small heads and big brains and large eyes
oviraptorid Noun advanced carnivorous theropod
ophidian Noun limbless scaly elongate reptile
ocellated turkey Noun wild turkey of Central America and northern South America
orb-weaving spider Noun a spider that spins a circular or near circular web
orb-weaver Noun spiders that spin orb webs
old squaw Noun a common long-tailed sea duck of the northern parts of the United States
oldwife Noun a common long-tailed sea duck of the northern parts of the United States
oldwife Noun tropical Atlantic fish
oilbird Noun nocturnal fruit-eating bird of South America that has fatty young yielding an oil that is used instead of butter
opossum rat Noun terrestrial marsupials of southern South America that resemble shrews
opossum Noun nocturnal arboreal marsupial having a naked prehensile tail found from southern North America to northern South America
opossum Noun small furry Australian arboreal marsupials having long usually prehensile tails
oyster shell Noun a shell of an oyster
otter shrew Noun amphibious African insectivorous mammal that resembles an otter
operculum Noun a hard flap serving as a cover for (a) the gill slits in fishes or (b) the opening of the shell in certain gastropods when the body is retracted
oligochaete Noun hermaphroditic terrestrial and aquatic annelids having bristles borne singly along the length of the body
oligochaete worm Noun hermaphroditic terrestrial and aquatic annelids having bristles borne singly along the length of the body
oyster Noun marine mollusks having a rough irregular shell
oyster Noun a small muscle on each side of the back of a fowl
oyster Noun edible body of any of numerous oysters
oyster Verb gather oysters, dig oysters
ormer Noun an abalone found near the Channel Islands
oyster crab Noun tiny soft-bodied crab living within the mantle cavity of oysters
opossum shrimp Noun shrimp-like crustaceans whose females carry eggs and young in a pouch between the legs
octopod Noun a cephalopod with eight arms but lacking an internal shell
octopus Noun bottom-living cephalopod having a soft oval body with eight long tentacles
octopus Noun tentacles of octopus prepared as food
openbill Noun stork with a grooved bill whose upper and lower parts touch only at the base and tip
ostracod Noun tiny marine and freshwater crustaceans with a shrimp-like body enclosed in a bivalve shell
onychophoran Noun any of numerous velvety-skinned wormlike carnivorous animals common in tropical forests having characteristics of both arthropods and annelid worms
oystercatcher Noun black-and-white shorebird with stout legs and bill
oyster catcher Noun black-and-white shorebird with stout legs and bill
ortygan Noun any of several East Indian birds
orca Noun predatory black-and-white toothed whale with large dorsal fin
oceanic bird Noun bird of the open seas
omnivore Noun an animal that feeds on both animal and vegetable substances
omnivore Noun a person who eats all kinds of foods
otterhound Noun hardy British hound having long pendulous ears and a thick coarse shaggy coat with an oily undercoat
otter hound Noun hardy British hound having long pendulous ears and a thick coarse shaggy coat with an oily undercoat
ocelot Noun nocturnal wildcat of Central America and South America having a dark-spotted buff-brown coat
ounce Noun large feline of upland central Asia having long thick whitish fur
ounce Noun a unit of weight equal to one sixteenth of a pound or 16 drams or 28.349 grams