col ‧ lard greens /ˌkɒləd ˈɡriːnz $ ˈkɑːlərd ˌɡriːnz/ BrE AmE noun [plural] American English
[ Date: 1700-1800 ; Origin: colewort type of cabbage (14-21 centuries) , from cole 'plant of the cabbage family' (11-21 centuries) (from Old English cal , from Latin caulis 'cabbage' ) + wort 'plant' (11-21 centuries) (from Old English wyrt ) ]
a vegetable with large green leaves, eaten cooked