n. & adj.
--n. any aquatic coelenterate of the class Hydrozoa of mainly marine polyp or medusoid forms, including hydra and Portuguese man-of-war.
Etymology: mod.L Hydrozoa (as HYDRA, Gk zoion animal)
n. & adj.
--n. any aquatic coelenterate of the class Hydrozoa of mainly marine polyp or medusoid forms, including hydra and Portuguese man-of-war.
Etymology: mod.L Hydrozoa (as HYDRA, Gk zoion animal)
Oxford English vocab. Оксфордский английский словарь. 2012