Noun vocation has 2 senses
  1. career, calling, vocation - the particular occupation for which you are trained
    --1 is a kind of occupation, business, job, line of work, line
    --1 has particulars:
     specialization, specialisation, specialty, speciality, specialism; lifework; walk of life, walk; business life, professional life
  2. occupational group, vocation - a body of people doing the same kind of work
    --2 is a kind of body
    --2 has particulars: profession, community