Source : Webster's Revised Unabridged Dictionary (1913)

Jennet \Jen"net\, n. [F. genet, Sp. jinete, orig., a mounted
   soldier, Ar. zen[=a]ta a tribe of Barbary celebrated for its
   cavalry.]
   A small Spanish horse; a genet.

Source : WordNet®

jennet
     n : female donkey [syn: {jenny}, {jenny ass}]