key

language: en

definitions

  1. noun
    a small metal or plastic object with a notched blade used to operate a lock; a musical note; a vital element
    en: a small metal or plastic object with a notched blade used to operate a lock; a musical note; a vital element
  2. adjective
    of primary importance; essential
    en: of primary importance; essential

examples

  1. turn the key

    turn the key

  2. key factor

    key factor