decameter
NounWordNet 3.0
Webster's Dictionary (GCIDE)
Decameter \Dec"a*me`ter\, Decametre \Dec"a*me`tre\, n. [F. d['e]cam[`e]tre; Gr. de`ka ten + m[`e]tre. See Meter.] A measure of length in the metric system; ten meters, equal to about 393.7 inches. [1913 Webster]