D defs.my
Entry 1 sense Webster, 1913

endozoic

/(ĕn`dō̇*zō"ĭk)/ · en·do·zo·ic · IPA
01 adj. Living within a living animal, usually as a parasite; as, endozoic worms. Contrasted with epizoic.
  1. 1.
    Living within a living animal, usually as a parasite; as, endozoic worms. Contrasted with epizoic.