- gallinule, marsh hen, water hen, swamphen - any of various small aquatic birds of the genus Gallinula distinguished from rails by a frontal shield and a resemblance to domestic hens
--1 is a kind of aquatic bird
--1 is a member of Gallinula, genus Gallinula
--1 has particulars:Florida gallinule, Gallinula chloropus cachinnans; moorhen, Gallinula chloropus; purple gallinule