laxative

adj

1. Having the effect of moving the bowels, or aiding digestion and preventing constipation.

   “BOlvs in Engliſh is called a morſell. It is a medicine laxatiue, in forme & faſhion it is meanely whole, & it is ſwallowed by litle gobbets.”

noun

1. Any substance, such as a food or in the form of a medicine which has a laxative effect.

   “According to a recent article in the Wall Street Journal, the US is having a love affair with laxatives; Americans of all ages are ingesting so much of the stuff that there are now shortages nationwide.”