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The transfer or exchange of regurgitated liquid food between individuals of certain social insects such as ants or bees.
(Zoology) the exchange of regurgitated food that occurs between adults and larvae in colonies of social insects
[C19/20: from New Latin, from tropho- + Greek allaxis exchange, from allassein to change, from allos other]
troph•al•lax•is(ˌtrɒf əˈlæk sɪs, ˌtroʊ fə-)
n., pl. -lax•es (-ˈlæk siz)
the exchange of nutriments or other secretions between organisms, as the members of a colony of social insects.