eusocial

eusocial [yoo-soh-shuh l] Word Origin adjective Animal Behavior.

1. of or relating to a form of insect society, as that of ants, characterized by specialization of tasks and cooperative care of the young.

Origin of eusocial First recorded in 1970–75; eu- + social Related formseu·so·ci·al·i·ty [yoo-soh-shee-al-i-tee] /yuˌsoʊ ʃiˈæl ɪ ti/, noun