noun. any agent that promotes menstrual discharge.
1. Noun, singular or mass Drugs.com reports that peppermint oil has emmenagogue capabilities, which means that it may stimulate blood flow to your uterus, which is often used to stimulate menstruation, but can also lead to a miscarriage. 2. Adjective It has demonstrated adverse effects, including emmenagogue effects, meaning it could induce a miscarriage.