part_name
1. [ noun ] (linguistics) a word that names a part of a larger whole
Synonyms: meronym
Examples:

"`brim' and `crown' are meronyms of `hat'"

Related terms: word
Similar spelling:   part-time
  partner
  part-timer
  party_man
  Parton
  Partin
  Parten
  part_music
  partnership
  partner_off
  parting
  Partain