Part 147

FAS´CICLE, n. Bundle.

FAS´CICLED, FASCIC´ULATE, a. Bundled.

FASTIG´IATE, a. Bundled together into conical shape, or with enlarged head, like a wheat-sheaf.

FAU´CES, n. The jaws, internally; back of the mouth. Compare PHARYNX.

FEATHER, n. (1; 143.) See PLUMA, PENNA. Any one of the objects which collectively constitute the peculiar covering of birds.

FEC´ULENT, a. Excrementitious.

FECUN´DATED, a. Impregnated; made fruitful; said of the germ of an egg which has received the male element.

FECUNDA´TION, n. Impregnation; the usual consequence of the completed joint act of the ovarian and spermatic organs.

FECUN´DITY, n. Fruitfulness.

FEM´ORAL, a. Pertaining to the thigh, or part of leg from hip to knee.

FE´MUR, n. Thigh-bone. Also used synonymously with thigh. (97.)

FENES´TRATE, a. Furnished with openings (from fenestra, a window).

FE´RAL, a. Wild; not tamed. Opposed to domestic. The mallard is the feral stock of the tame duck.

FERRUGIN´EOUS or FERRU´GINOUS, a. Rusty-red.

FE´TUS or FŒ´TUS, n. Unborn young. (But the unhatched young of birds are oftener called embryos.)

FIBRIL´LA, n.; pl. fibrillæ. Little fibre.

FIB´RIN, a. Certain animal substance of fibrous composition, found in the blood and elsewhere.

FI´BRO-CAR´TILAGE, n. A kind of cartilage of fibrous structure, such as that between vertebræ and many other joints.

FIB´ULA, n. Smaller outer leg-bone, lying alongside the tibia.

FIL´AMENT, n. Thread or slender fibre.

FILAMENT´OUS, FIL´IFORM, a. Threadlike; composed of filaments; oftener, very narrowly linear.

FILOPLUMA´CEOUS, a. Having the structure of a filoplume.

FIL´OPLUME, n. Thread-like or hair-like feather; one with slender scape, and without web in most or all of its length.

FIM´BRIATED, a. Fringed.

FISSIPAL´MATE, a. Lobiped and semipalmate, as a grebe’s foot is.

FIS´SIPED, a. Having cleft toes. Opposed to palmiped.

FISSIROS´TRAL, a. Having the bill cleft far beyond the base of its horny part.

FISSIROS´TRES, n. An obsolete order of cleft-billed birds.