The Collaborative International Dictionary of English v.0.48:

kweek \kweek\ n.
   A trailing grass (Cynodon dactylon) native to Europe, now
   cosmopolitan in warm regions; used for lawns and pastures
   especially in the Southern U. S. and India. Called also
   Bahama grass and Bermuda grass.

   Syn: Bermuda grass, devil grass, Bahama grass, doob, scutch
        grass, star grass, Cynodon dactylon.
        [WordNet 1.5]

WordNet (r) 3.0 (2006):

kweek
    n 1: trailing grass native to Europe now cosmopolitan in warm
         regions; used for lawns and pastures especially in southern
         United States and India [syn: Bermuda grass, devil
         grass, Bahama grass, kweek, doob, scutch grass,
         star grass, Cynodon dactylon]