a. [f. L. cor, cordi- heart + -FORM. Cf. F. cordiforme.] Heart-shaped.
Cordiform foramen; the obturator foramen of reptiles. Cordiform tendon; the central tendon of the diaphragm.
1828. Stark, Elem. Nat. Hist., II. 286. Thorax slightly convex; scutellum generally cordiform.
1851. Richardson, Geol., 292. The … marine turtles have the carapace cordiform and depressed like an elliptical arch.
1887. Bookworm, Dec., 34. The famous cordiform map of Apian. [This map (1530). the earliest known on the single heart-shaped projection. Brit. Mus. Cat.]
