trophallaxisPronunciation: /ˌtrɒfəˈlaksɪs/Definition of trophallaxis noun [mass noun] Entomology the mutual exchange of regurgitated liquids between adult social insects or between them and their larvae. Origin: early 20th century: from tropho- 'nourishment' + Greek allaxis 'exchange'trophallaxis in other Oxford dictionaries Definition of trophallaxis in the US English dictionary
