1. One of the contractile organs of the body
   - muscle

Type of: contractile organ, contractor

• Ononis spinosa
• Onopordon
• Onopordon acanthium
• Onopordum
• Onopordum acanthium
• Onosmodium
• onrush
• Onsager
• onset
• onshore
• onside
• onslaught
• onstage
• Ontarian
• Ontario
• ontic
• onto
• ontogenesis
• ontogenetic
• ontogeny
• ontological
• ontologically
• ontologist
• ontology
• onus