Source : Webster's Revised Unabridged Dictionary (1913)

Silicle \Sil"i*cle\, n. [L. silicula, dim. of siliqua a pod or
   husk: cf. F. silicule.] (Bot.)
   A seed vessel resembling a silique, but about as broad as it
   is long. See {Silique}.

Source : WordNet®

silicle
     n : short broad silique occurring in some cruciferous plants