gallinule

1. North American dark bluish-gray gallinule.
   北美深蓝灰色的水鸡。
2. Black gallinule that inhabits ponds and lakes.
   栖息在池塘和湖泊地区的水鸡。
3. Any of various water birds of the family Rallidae, as the gallinule, rail, or coot, that inhabit marshland.
   秧鸡科的几种水鸟之任一种，如番鸡、秧鸡或黑鸭，居住在沼泽地。

noun

1. any of various small aquatic birds of the genus Gallinula distinguished from rails by a frontal shield and a resemblance to domestic hens

   Synonym:    marsh henwater henswamphen