1599, from M.Fr. flatulent, from L. flatus "a blowing, a breaking wind," pp. of flare "to blow, puff," which is cognate with O.E. blawan (see blow (v.1)).
Main Entry: flat·u·lent Pronunciation: -l&nt Function: adjective 1: marked by or affected with gases generated in the intestine orstomach 2: likely to cause digestive flatulence —flat·u·lent·lyadverb