Definition of -oid in English:

-oid

suffix

  • 1Forming adjectives and nouns.

    1. 1.1Zoology
      Denoting an animal belonging to a higher taxon with a name ending in -oidea.
      ‘hominoid’
      ‘percoid’
    2. 1.2Denoting form or resemblance.
      ‘asteroid’
      ‘rhomboid’

Origin

From modern Latin -oides, from Greek -oeidēs; related to eidos form.