The Open Dictionary

NCO

noun

UK/ˌen.siːˈəʊ/
US/ˌen.siːˈoʊ/

Definitions of NCO noun

  1. Countable

    An abbreviation for non-commissioned officer. This is a member of the armed forces who has attained the rank of officer through promotion from lower ranks, rather than by a commission.

    • The NCO was highly respected within the unit.

    • Training new recruits is one of the responsibilities of an NCO.

    • The operation was led by a senior NCO.