\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.
2. Shaped like a boat; cymbiform; scaphoid; as, the navicular
   glumes of most grasses; the navicular bone.
{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.

\Na*vic"u*lar\, n. (Anat.)
The navicular bone.