[ˈamənɔɪd], (Noun)

Definitions:
- an extinct cephalopod mollusc with a flat-coiled spiral shell, found commonly as a fossil in marine deposits from the Devonian to the Cretaceous periods


Phrases:

Origin:
mid 19th century: from modern Latin Ammonoidea, based on Ammon (see ammonite)

[ˈamənɔɪd], (Adjective)

Definitions:
- relating to the ammonoids


Phrases:

Origin:
mid 19th century: from modern Latin Ammonoidea, based on Ammon (see ammonite)