Definition of domatium in English:

domatium

noun

Botany Ecology
  • Any of various specialized structures in some plants which provide shelter for insects (typically ants) or mites. In early use also: such a structure providing shelter for algae or fungi (rare).

Origin

Late 19th century; earliest use found in Journal of the Royal Microscopical Society. From scientific Latin domatium plant structure inhabited by animals from ancient Greek δωμάτιον chamber, small dwelling from δωματ-, δῶμα house, of uncertain etymology + -ιον, diminutive suffix.

Pronunciation

domatium

/dəˈmeɪʃ(ɪ)əm/