[sym.bi.ont] n [prob. fr. G, modif. of Gk symbiount-, symbion, prp. of symbioun] (1887): an organism living in symbiosis; esp: the smaller member of a symbiotic pair
SYMBIONT
Meaning of SYMBIONT in English
Merriam-Webster English vocab. Английский словарь Merriam Webster. 2012