SKIP TO CONTENT

mastoid

/ˌmæˈstɔɪd/

Other forms: mastoids

Definitions of mastoid
  1. noun
    process of the temporal bone behind the ear at the base of the skull
    synonyms: mastoid bone, mastoid process, mastoidal
    see moresee less
    type of:
    appendage, outgrowth, process
    a natural prolongation or projection from a part of an organism either animal or plant
  2. adjective
    of or relating to or in the region of the mastoid process
  3. adjective
    relating to or resembling a nipple
    synonyms: mastoidal
DISCLAIMER: These example sentences appear in various news sources and books to reflect the usage of the word ‘mastoid'. Views expressed in the examples do not represent the opinion of Vocabulary.com or its editors. Send us feedback
Word Family
EDITOR'S CHOICE

Look up mastoid for the last time

Close your vocabulary gaps with personalized learning that focuses on teaching the words you need to know.

VocabTrainer - Vocabulary.com's Vocabulary Trainer