The Collaborative International Dictionary of English v.0.48:

D'ecime \D['e]`cime"\, n. [F.]
   A French coin, the tenth part of a franc, equal to about two
   cents (around 1900). In 2001 all previous French coins were
   superseded by the euro.
   [1913 Webster +PJC] Decimeter

Bouvier's Law Dictionary, Revised 6th Ed (1856):

DECIME. A French coin, of the value of a tenth part of a franc, or nearly
two cents.