acuminate

from WordNet (r) 3.0 (2006)

acuminate
    adj 1: (of a leaf shape) narrowing to a slender point
    v 1: make sharp or acute; taper; make (something) come to a
         point

from The Collaborative International Dictionary of English v.0.48

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.
   [1913 Webster]

from The Collaborative International Dictionary of English v.0.48

Acuminate \A*cu"mi*nate\, v. t.
   To render sharp or keen. [R.] "To acuminate even despair."
   --Cowper.
   [1913 Webster]

from The Collaborative International Dictionary of English v.0.48

Acuminate \A*cu"mi*nate\, v. i.
   To end in, or come to, a sharp point. "Acuminating in a cone
   of prelacy." --Milton.
   [1913 Webster]

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