1. An alkaloid medicine (trade name Kavrin) obtained from opium; used to relax smooth muscles; it is nonaddictive
   - papaverine

Type of: muscle relaxant

• orientalist
• orientalize
• orientate
• orientated
• orientating
• orientation
• orientation course
• oriented
• orienteering
• orienting
• orifice
• oriflamme
• origami
• origanum
• Origanum dictamnus
• Origanum majorana
• Origanum vulgare
• Origen
• origin
• original
• original sin
• originalism
• originality
• originally
• originary