Ent. [mod.L., f. L. ante in front + furca fork.] In cockroaches, an internal forked projection from the sternal wall of the anterior somite of the thorax, which helps to support the nervous cord; sometimes also applied to external forked projections on the ventral surface of the segments of some Arthropoda.
1826. Kirby & Spence, Entomol. (1828), IV. xliii. 185. The extensor of the anterior thigh to the antefurca.
1877. Huxley, Anat. Inv. Anim., vii. 404. Forked or double apodemes, the antefurca, medifurca, and postfurca.
