%navicular%

a. [ L. navicularius, fr. navicula, dim. of navis ship: cf. F. naviculaire. ] 1. Of, pertaining to, or resembling, a boat or ship. [ 1913 Webster ]

2. Shaped like a boat; cymbiform; scaphoid; as, the navicular glumes of most grasses; the navicular bone. [ 1913 Webster ]

Navicular bone. (Anat.) (a) One of the middle bones of the tarsus, corresponding to the centrale; -- called also scaphoid. (b) A proximal bone on the radial side of the carpus; the scaphoid. --
Navicular disease (Far.), a disease affecting the navicular bone, or the adjacent parts, in a horse's foot. [ 1913 Webster ]