1. The boundary between Maryland and Pennsylvania; symbolic dividing line between North and South before the American Civil War
   - Mason-Dixon line, Mason and Dixon's line

Type of: state boundary, state line

• Marquise de Montespan
• Marquise de Pompadour
• Marrakech
• Marrakesh
• marram
• marram grass
• Marrano
• marred
• marri
• marriage
• marriage bed
• marriage broker
• marriage brokerage
• marriage ceremony
• marriage contract
• marriage counseling
• marriage counselling
• marriage licence
• marriage license
• marriage mart
• marriage of convenience
• marriage offer
• marriage proposal
• marriage settlement
• marriageability