Available Definitions:
1) n. - A chief; one who has supreme authority; a leader; the chief officer of an army, or of any division of it.
2) n. - An officer who ranks next below a captain, -- ranking with a lieutenant colonel in the army.
3) n. - The chief officer of a commandery.
4) n. - A heavy beetle or wooden mallet, used in paving, in sail lofts, etc.