资料来源 : pyDict

锐利的,有尖头的,尖形的使尖锐

资料来源 : Webster's Revised Unabridged Dictionary (1913)

Acuminate \A*cu"mi*nate\, v. t.
   To render sharp or keen. [R.] ``To acuminate even despair.''
   --Cowper.

Acuminate \A*cu"mi*nate\, v. i.
   To end in, or come to, a sharp point. ``Acuminating in a cone
   of prelacy.'' --Milton.

Acuminate \A*cu"mi*nate\, a. [L. acuminatus, p. p. of acuminare
   to sharpen, fr. acumen. See {Acumen}.]
   Tapering to a point; pointed; as, acuminate leaves, teeth,
   etc.

资料来源 : WordNet®

acuminate
     adj : of a leaf shape; narrowing to a slender point

acuminate
     v : make sharp or acute; taper; make (something) come to a point