mattamore /ma-tə-mōrˈ, -mörˈ or matˈə-/

A subterranean chamber

• propeller
• propeller-blade
• propeller-blades
• propeller fan
• propeller-head
• propeller-heads
• propellers
• propeller shaft
• propeller shafts
• propelling
• propelling pencil
• propelling pencils
• propelment
• propelments
• propels
• propenal
• propend
• propended
• propendent
• propending
• propends
• propene
• propenes
• propenoic acid
• propense