from The American Heritage® Dictionary of the English Language, 4th Edition
- n. Zoology A forked part or bone, such as the wishbone of a bird. Also called fourchette.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. A forked process or structure, generally two-pronged.
- n. The forked bone formed by the fusion of the clavicles in birds, the wishbone or merrythought.
- n. The (two-pronged,) forked, somewhat tail-like organ held bent forward and secured by a catch beneath most species of Collembola (springtails), with which they jump by releasing the catch abruptly when alarmed.
from the GNU version of the Collaborative International Dictionary of English
- n. A forked process; the wishbone or furculum.
from The Century Dictionary and Cyclopedia
- n. In ornithology, the united pair of clavicles of a bird, forming a single forked bone, whence the name.
- n. In entomology, a forked process: specifically applied to a long bifid process on the bodies of certain caterpillars. See furciferous, 1.
- n. In embryology, a forked median protuberance arising in the floor of the embryonic pharynx between the third and fourth pairs of visceral arches. It develops into the epiglottis of the adult.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. a forked bone formed by the fusion of the clavicles of most birds
In a barb, which in all its measurements was a little larger than the same rock-pigeon, the furcula was a quarter of an inch shorter.
These arthropods have a fork-like structure (called furcula) at the hind end that is hooked under their abdomen.
The wishbone, called a furcula, is the fusion of two collarbones at the sternum.
- Snow fleas, like all springtails, have an unusual appendage (a furcula) that folds under the abdomen and can be used to suddenly propel the insects several inches.
I took 2 photos of it before it deployed its furcula and disappeared into thin air.
But Archaeopteryx was very likely capable of powered fligh sic judging from its relatively massive furcula and the asymmetric rachis of its primary flight feathers Feduccia and Tordoff 1979; Olson and Feduccia 1979.
Mucrones: in Collembola the two small end pieces of the furcula, proceeding from the dentes.
Furca: a fork: the anal appendage used for leaping in Thysanura; see furcula: the forked ental processes of the sternum.
Gilbert, of course, supplies a formidable array of remedies for the disease, but tells us that the "very latest" is cauterization over the clavicles (_Novissimum autem consilium est cauterium in furcula pectoris_).
The first rudiment of the larynx consists of two arytenoid swellings, which appear, one on either side of the cephalic end of the laryngo-tracheal groove, and are continuous in front of the groove with a transverse ridge (furcula of His) which lies between the ventral ends of the third branchial arches and from which the epiglottis is subsequently developed (Figs. 980, 981).