vinculum /vingˈkū-ləm/

1. A horizontal line placed above a part of an equation, etc, equivalent to brackets (mathematics)
2. A tendinous band (anatomy)
3. A bond

• hatracks
• hatred
• hatreds
• hats
• hats off to
• hatstand
• hatstands
• hatted
• hatter
• hattered
• Hatteria
• hattering
• hatters
• hatting
• hattings
• hat tip
• hat tips
• hatti-sherif
• hatti-sherifs
• hattock
• hattocks
• hat trick
• hat tricks
• hauberk
• hauberks