matrass /matˈrəs/

1. A long-necked chemical flask
2. A hard-glass tube closed at one end

• cheek by jowl
• cheeked
• cheekier
• cheekiest
• cheekily
• cheekiness
• cheekinesses
• cheeking
• cheekpiece
• cheekpieces
• cheekpouch
• cheekpouches
• cheeks
• cheekteeth
• cheektooth
• cheeky
• cheep
• cheeped
• cheeper
• cheepers
• cheeping
• cheeps
• cheer
• cheered
• cheerer