Source : Webster's Revised Unabridged Dictionary (1913)

Crebrisulcate \Cre`bri*sul"cate\ (kr[=e]`br[i^]*s[u^]l"k[asl]t),
   a. [L. creber close + sulcus furrow.] (Zo["o]l.)
   Marked with closely set transverse furrows.