Sergeant major Meaning, Definition & Usage

  1. noun a noncommissioned officer serving as chief administrative officer of a headquarters unit of the Army
    command sergeant major.
  2. noun large blue-grey black-striped damselfish; nearly worldwide
    Abudefduf saxatilis.

WordNet


Definitions
  1. . (a) (Mil.) See the Note under def. 2, above. (b) (Zoöl.) The cow pilot.

Webster 1913