'Navicular' definitions:

Definition of 'navicular'

adjective

Shaped like a boat [syn: navicular, scaphoid]

noun

The largest wrist bone on the thumb side [syn: scaphoid bone, os scaphoideum, navicular]

From: GCIDE

Navicular \Na*vic"u*lar\, 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]

From: GCIDE