waders is a form of:

Wader



noun
1.
(a person who wades, a wading bird, waters high waterproof boots worn for fishing, etc. boots used for wading) ពួកបក្សីជើងវែងដូចជា៖សត្វកុកសត្វក្រសារ ។ល។
ENGLISH MEANING
noun
1.
One who, or that which, wades.
2.
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.