n. 涉水者, 涉禽, 高统防水长靴

[ noun ]
any of many long-legged birds that wade in water in search of food
<noun.animal>

Wader \Wad"er\, n.
1. One who, or that which, wades.

2. (Zo["o]l.) Any long-legged bird that wades in the water in
search of food, especially any species of limicoline or
grallatorial birds; -- called also {wading bird}. See
Illust. g, under {Aves}.