What is "first sergeant"

First \First\ (f[~e]rst), a. [OE. first, furst, AS. fyrst; akin to Icel. fyrstr, Sw. & Dan. f["o]rste, OHG. furist, G. f["u]rst prince; a superlatiye form of E. for, fore. See For, Fore, and cf. Formeer, Foremost.]

1. Preceding all others of a series or kind; the ordinal of one; earliest; as, the first day of a month; the first year of a reign.

2. Foremost; in front of, or in advance of, all others.

3. Most eminent or exalted; most excellent; chief; highest; as, Demosthenes was the first orator of Greece. At first blush. See under Blush. At first hand, from the first or original source; without the intervention of any agent. It is the intention of the person to reveal it at first hand, by way of mouth, to yourself. --Dickens. First coat (Plastering), the solid foundation of coarse stuff, on which the rest is placed; it is thick, and crossed with lines, so as to give a bond for the next coat. First day, Sunday; -- so called by the Friends. First floor.

   1. The ground floor. [U.S.]

   2. The floor next above the ground floor. [Eng.] First fruit or First fruits.

      1. The fruits of the season earliest gathered.

      2. (Feudal Law) One year's profits of lands belonging to the king on the death of a tenant who held directly from him.

   3. (Eng. Eccl. Law) The first year's whole profits of a benefice or spiritual living.

   4. The earliest effects or results.

      See, Father, what first fruits on earth are sprung From thy implanted grace in man!
      --Milton.

      First mate, an officer in a merchant vessel next in rank to the captain.

      First name, same as Christian name. See under Name, n.

      First officer (Naut.), in the merchant service, same as First mate (above).

      First sergeant (Mil.), the ranking non-commissioned officer in a company; the orderly sergeant.
      --Farrow.

      First watch (Naut.), the watch from eight to twelve at midnight; also, the men on duty during that time.

      First water, the highest quality or purest luster; -- said of gems, especially of diamond and pearls.

      Syn: Primary; primordial; primitive; primeval; pristine; highest; chief; principal; foremost.

n. 1 (context US English) In the United States Army, a non-commissioned officer ranking above sergeant first class and below sergeant major; equal in rank to a master sergeant but with greater command authority. 2 (context US English) In the United States Marine Corps, a non-commissioned officer ranking above gunnery sergeant and below sergeant major or master gunnery sergeant; equal in rank to a master sergeant, but with command rather than technical responsibilities. 3 (context US English) In the United States Air Force, an appointment (not a rank) for the senior member of enlisted personnel in a squadron or other unit. The appointment is usually held by a master sergeant.

n. a sergeant in the army above the rank of staff sergeant and below master sergeant [syn: sergeant first class]

First sergeant (1SG) is typically a senior non-commissioned officer rank, used in many countries. In NATO armed forces the rank is on OR8 level.