ˈ ̷ ̷ˌ ̷ ̷ noun
( -s )
1. : any of several plants of the genus Aristolochia (as A. longa, A. pistolochia, A. clematitis, or A. serpentaria ) the aromatic roots of which are reputed to aid in parturition
2. : either of two European herbs ( Corydalis fabacea and C. tuberosa ) whose roots are reputed to aid in parturition
3. : birthroot