Source : Webster's Revised Unabridged Dictionary (1913)

Apiculate \A*pic"u*late\, Apiculated \A*pic"u*la`ted\, a. [See
   {Apicular}.] (Bot.)
   Terminated abruptly by a small, distinct point, as a leaf.

Source : WordNet®

apiculate
     adj : of a leaf shape; having a short sharply pointed tip