Defn: A papilionaceous plant, the Ornithopus, having a curved, cylindrical pod tipped with a short, clawlike point. Bird's-foot trefoil. (Bot.) (a) A genus of plants (Lotus) with clawlike pods. L. corniculatas, with yellow flowers, is very common in Great Britain. (b) the related plant, Trigonella ornithopodioides, is also European.

BIRD'S-MOUTH
Bird's-mouth`, n. (Arch.)

Defn: An interior acrow's-foot in the United States.

BIRD'S NEST; BIRD'S-NEST
Bird's" nest`, or Bird's-nest, n.

1. The nest in which a bird lays eggs and hatches her young.

2. (Cookery)

Defn: The nest of a small swallow (Collocalia nidifica and several allied species), of China and the neighboring countries, which is mixed with soups.

Note: The nests are found in caverns and fissures of cliffs on rocky coasts, and are composed in part of algæ. They are of the size of a goose egg, and in substance resemble isinglass. See Illust. under Edible.

3. (Bot.)

Defn: An orchideous plant with matted roots, of the genus Neottia (N. nidus-avis.) Bird's-nest pudding, a pudding containing apples whose cores have been replaces by sugar. — Yellow bird's nest, a plant, the Monotropa hypopitys.