noun. ['ˈæməˌnaɪt'] one of the coiled chambered fossil shells of extinct mollusks.
- ammonite (French)
Rhymes with Ammonite
Sentences with ammonite
You can also dig up brachiopods, which are clam-like shells, and ammonite, or spiral-shelled fossils.
2. Noun, singular or mass
The nautilus and the ammonite are similar organisms.