lax·a·tive (lāk'sə-tĭv) n. A food or drug that stimulates evacuation of the bowels. adj.
Stimulating evacuation of the bowels.
Causing looseness or relaxation, especially of the bowels.
[Middle English, from Old French laxatif, from Medieval Latin laxātīvus, preventing constipation, from Late Latin, assuaging, from Latin laxātus, past participle of laxāre, to relax, from laxus, loose; see lax.]
1398, from O.Fr. laxatif, from M.L. laxativus, from L. laxatus, pp. of laxare "loosen," from laxus "loose, lax" (see lax). The noun meaning "a laxative medicine" is from c.1386.
Main Entry: 1lax·a·tive Pronunciation: 'lak-s&t-iv Function: adjective 1: having a tendency to loosen or relax;specifically: relieving constipation 2:LAX 2 —lax·a·tive·lyadverb
Main Entry: 2laxative Function: noun : a usually mild laxative drug