Source : Webster's Revised Unabridged Dictionary (1913)

Ament \Am"ent\, n. [L. amentum thong or strap.] (Bot.)
   A species of inflorescence; a catkin.

         The globular ament of a buttonwood.      --Coues.

Source : WordNet®

ament
     n : a cylindrical spikelike inflorescence [syn: {catkin}]