12-Letter Words Containing: MAST

• A breed of very large mastiff originally bred to immobilize poachers.

• excessive development of the breasts in males; usually the result of hormonal imbalance or treatment with certain drugs (including some antihypertensives)

• presiding officer of a school

• any person (or institution) who acts as an educator

• food fish of warm Caribbean and Atlantic waters

• the musical director of a choir

• An official responsible for the enforcement of regulations in a port.

• an achievement demonstrating great skill or mastery

• someone who creates new things

• someone who has exceptional intellectual ability and originality

• plan and direct (a complex undertaking)