noun (plural -eos) Etymology: Latin, a small bird, from virēre to be green Date: 1834 any of various small insectivorous American oscine birds (family Vireonidae, especially genus Vireo ) that are chiefly olivaceous and grayish in color
VIREO
Meaning of VIREO in English
Merriam Webster. Explanatory English dictionary Merriam Webster. Толковый словарь английского языка Мерриам-Уэбстер. 2012