Source : Webster's Revised Unabridged Dictionary (1913)

Centimeter \Cen"ti*me`ter\, Centimetre \Cen"ti*me`tre\, n. [F.
   centim[`e]tre; centi- (L. centum) + m[`e]tre. See {Meter}.]
   The hundredth part of a meter; a measure of length equal to
   rather more than thirty-nine hundredths (0.3937) of an inch.
   See {Meter}.

Source : WordNet®

centimetre
     n : a metric unit of length equal to one hundredth of a meter
         [syn: {centimeter}, {cm}]