plural of master seaman

plural of master sergeant

plural of master-at-arms

(Canada, Navy) A non-commissioned officer in the Canadian Forces Maritime Command, ranking above leading seaman and below petty officer second class.

plural of barge master

plural of thigh master

A piece of exercise equipment used to tone the thighs, especially aimed at women.

An exceptionally skillful chess player, especially one who has won a major competition.

plural of master gland

(informal, biology) The pituitary gland.