Source : Webster's Revised Unabridged Dictionary (1913)

Collards \Col"lards\, n. pl. [Corrupted fr. colewort.]
   Young cabbage, used as ``greens''; esp. a kind cultivated for
   that purpose; colewort. [Colloq. Souther U. S.]

Source : WordNet®

collards
     n : smooth-leaved kale [syn: {collard greens}]