a. (sb.) Also 7 quadrifide. [ad. L. quadrifid-us, f. QUADRI- + fid- root of findĕre to cleave. Cf. mod.F. quadrifide.] Cleft into four divisions or lobes.
1661. Lovell, Hist. Anim. & Min., 109. Claws like a Cow; but quadrifide.
1766. Pennant, Zool. (1769), III. 320. The tail is naturally bifid, but in many is trifid, and in some even quadrifid.
1830. Lindley, Nat. Syst. Bot., 52. Distinguished by the quadrifid calyx.
1875. Darwin, Insectiv. Pl., xiv. 326. The quadrifid processes on the outer parts of the lobes.
b. absol. as sb. A quadrifid process.
1875. Darwin, Insectiv. Pl., xiv. 326. On the broad outer surfaces of the lobes where the quadrifids are situated.