Acuminate

a.	1.	Tapering to a point; pointed; as, acuminate leaves, teeth, etc.
v. t.	1.	To render sharp or keen.
v. i.	1.	To end in, or come to, a sharp point.

Verb	1.	acuminate - make sharp or acute; taper; make (something) come to a point
Adj.	1.	acuminate - of a leaf shape; narrowing to a slender point

pointed, simple, unsubdivided