a. [f. LIGAMENT + -AL.] Of the nature of a ligament; composed of the fibrous tissne of which ligaments consist.
1578. Banister, Hist. Man, I. 2. Muscles often spryng out of Ligamentall Cartilages.
1615. Crooke, Body of Man, 628. The Tongue … hath no Ligamentall Fibres to strengthen it as Muscles haue.
1646. Sir T. Browne, Pseud. Ep., V. v. 239. The Urachos or ligamentall passage derived from the bottome of the bladder.
b. Pertaining to the ligament (of a bivalve).
1850. J. D. Sowerby, in Dana’s Geol., App. i. 699. Equivalve, suborbicular, thin,… ligamental area elongate.
1854. Woodward, Mollusca, II. 247. The internal ligament, or cartilage, is lodged in furrows formed by the ligamental plates. Ibid., 286. A distinct ligamental ridge in each valve.
