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: Webster's Revised Unabridged Dictionary (1913)