statolith Syllabification: (stat·o·lith)Pronunciation: /ˈstatəˌliTH/Definition of statolith noun Zoology a calcareous particle in the statocysts of invertebrates that stimulates sensory receptors in response to gravity, so enabling balance and orientation. another term for otolith.statolith in other Oxford dictionaries Definition of statolith in the British & World English dictionary