quahog /kwöˈhog or kwə-hogˈ/, quahaug /-hög or -högˈ/, or sometimes cohog /kōˈhog or kə-hogˈ/

1. An edible clam (Venus mercenaria) of the N American Atlantic coast, also known as round clam
2. Another variety of clam, Cyprina islandica, also known as black quahog

• mass production
• mass radiography
• mass spectrograph
• mass spectrographs
• mass spectrometer
• mass spectrometers
• mass spectrometry
• mass transit
• mass-transit
• massy
• massymore
• massymores
• massé
• massés
• mast
• MASTA
• mastaba
• mastabas
• mast cell
• mast cells
• mastectomies
• mastectomy
• masted
• master
• master aircrew