dreɡ n. 1 (usu. in pl.) a a sediment; grounds, lees, etc. b a worthlesspart; refuse (the dregs of humanity). 2 a smallremnant (not a dreg). ødrain (or drink) to the dregs consume leaving nothing (drained life to the dregs). øødreggy adj. colloq. [ME prob. f. ON dreggjar]