from
The Collaborative International Dictionary of English v.0.48
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.
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{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]