(dɒˈmeɪʃɪəm) n, pl-tia (Botany) botany a plant cavity inhabited by commensal insects or mites or, occasionally, microorganismsThesaurus
Noun
1.
domatium - a part of a plant (e.g., a leaf) that has been modified to provide protection for insects or mites or fungiplant part, plant structure - any part of a plant or fungus