Subulate

from The Collaborative International Dictionary of English v.0.48

Subulate \Su"bu*late\, Subulated \Su"bu*la`ted\, a. [NL.
   subulatus, fr. L. subula an awl.]
   Very narrow, and tapering gradually to a fine point from a
   broadish base; awl-shaped; linear.
   [1913 Webster]