laxative
1. lax.a.tive \'lak-s*t-iv\ aj [ME laxatif, fr. ML laxativus, fr. L laxatus, pp. of laxar]e to loosen, fr. laxus 1: having a tendency to loosen or relax; specif : relieving consti pation 2: having loose bowels 3: LOOSE, UNRESTRAINED {a ~ tongue} - lax.a.tive.ly av 2. laxative n : a usu. mild laxative drug