Source : Webster's Revised Unabridged Dictionary (1913)

Desinent \Des"i*nent\, a. [L. desinens, p. pr. of desinere,
   desitum, to leave off, cease; de- + sinere to let, allow.]
   Ending; forming an end; lowermost. [Obs.] ``Their desinent
   parts, fish.'' --B. Jonson.