Source : Webster's Revised Unabridged Dictionary (1913)

Siliqua \Sil"i*qua\, n.; pl. {Siliqu[ae]}. [L. See {Silique}.]
   1. (Bot.) Same as {Silique}.

   2. A weight of four grains; a carat; -- a term used by
      jewelers, and refiners of gold.

Source : WordNet®

siliqua
     n : narrow elongated seed capsule peculiar to the family
         Cruciferae [syn: {silique}]
     [also: {siliquae} (pl)]

siliquae
     See {siliqua}