Source : Webster's Revised Unabridged Dictionary (1913)

Acerate \Ac"er*ate\, n. [See {Aceric}.] (Chem.)
   A combination of aceric acid with a salifiable base.

Acerate \Ac"er*ate\, a.
   Acerose; needle-shaped.

Source : WordNet®

acerate
     adj : narrow and long and pointed; as pine leaves [syn: {acerose},
            {acicular}, {needle-shaped}]