n.
Pronunciation: ' däk
Function: noun
Etymology: Middle English, from Old English docce; akin to Middle Dutch docke dock
Date: before 12th century
1 : any of a genus ( Rumex ) of coarse weedy plants of the buckwheat family having long taproots and sometimes used as potherbs
2 : any of several usually broad-leaved weedy plants (as of the genus Silphium )