What is the meaning of Acer?

A plant of the genus Acer; a maple.

Obsolete spelling of acre

steel

sharp, sour, bitter, pungent

keen, sharp, acute, sagacious

energetic, active, vigorous

eager, zealous, spirited

subtle

severe, violent, cruel, hot

penetrating, piercing

maple tree

Alternative form of ecer

Alternative form of acier

acre

Source: wiktionary.org