We found one dictionary that defines the word part names:

General (1 matching dictionary)

1. part names: Vocabulary.com

(Note: See part_name as well.)

Definitions from WordNet (part name) ▸ noun:  a word that names a part of a larger whole ▸ Also see part_name ▸ Words similar to part names ▸ Usage examples for part names ▸ Idioms related to part names ▸ Wikipedia articles (New!) ▸ Words that often appear near part names ▸ Rhymes of part names ▸ Invented words related to part names