Biped, bī′ped, n. an animal with two feet.—adjs. Bī′ped, Bī′pedal, having two feet. [L. bipes—bi-, bis, twice, ped-em, foot.]
Bipennate, bī-pen′āt, Bipennated, bī-pen′āt-ed, adj. having two wings. [L. bi-, and Pennate.]
Bipennis, bī-pen′nis, n. an axe with two blades, one on each side of the handle, usually seen depicted in the hands of the Amazons. [L.—bis, twice, penna, wing.]
Bipetalous, bī-pet′al-us, adj. having two petals or flower-leaves. [L. bi-, twice, and Petal.]
Bipinnate, bī-pin′nāt, adj. doubly pinnate. [L. bi-, twice, and Pinnate.]
Biquadratic, bī-kwod-rat′ik, n. a quantity twice squared, or raised to the fourth power.—Biquadratic equation, an equation with one unknown quantity raised to the fourth power; Biquadratic root, the square root of the square root of a number. [L. bi- twice, and quadratus, squared.]
Biquintile, bī-kwin′til, n. (astron.) the aspect of planets when they are twice the fifth part (144 degrees) of a great circle from each other. [L. bi-, twice, quintus, the fifth.]
Birch, bėrch, n. a hardy forest-tree, with smooth, white bark and very durable wood: a rod for punishment, consisting of a birch twig or twigs.—adjs. Birch, Birch′en, made of birch. [A.S. berc, bierce; Ice. björk, Sans. bhūrja.]
Bird, bėrd, n. a general name for feathered animals.—v.i. to catch or snare birds.—ns. Bird′-bolt (Shak.), a short thick bolt or arrow with a blunted point, used for killing birds without piercing them; Bird′-cage, a cage or box made of wire and wood for holding birds; Bird′-call, an instrument used by fowlers to call or allure birds to them, by imitating their notes; Bird′-catch′er, one who catches birds: a fowler; Bird′-catch′ing, the art or practice of catching birds; Bird′-cher′ry, a bush bearing an astringent wild-fruit in drupes.—adj. Bird′-eyed, having eyes quick of sight, like those of a bird: quick-sighted.—ns. Bird′-fan′cier, one who has a fancy for rearing birds: one who keeps birds for sale; Bird′ing (Shak.), catching birds by means of hawks trained for the purpose; Bird′ing-piece, a fowling-piece; Bird′-lime, a sticky substance used for catching birds; Bird′-of-Par′adise, a kind of Eastern bird with splendid plumage; Bird's′-eye, a kind of tobacco; Bird's′-nest, the nest in which a bird lays her eggs and hatches her young; Bird′-spī′der, a species of large spiders which prey on small birds, found in Brazil.—adj. Bird′-wit′ted, flighty: incapable of sustained attention.—Bird's-eye view, a general view from above, as if by a bird on the wing, a representation of such, a general view or résumé of a subject; Bird's-foot trefoil, the popular name of several leguminous plants, having clusters of cylindrical pods resembling a bird's foot.—A little bird told me, I heard in a way I will not reveal. [A.S. brid, the young of a bird, a bird: either from root of Breed (bredan, to breed) or of Birth (beran, to bear).]
Bireme, bī′rēm, n. an ancient vessel with two rows of oars. [Fr.—L. biremis—bi-, twice, and remus, an oar.]