wader

noun

1. a person or thing that wades.
2. Also called wading bird. any of various large birds having long legs, long necks, and long bills, that are adapted for wading in shallow waters and living on fish, frogs, etc., as the crane, heron, stork, shoebill, ibis, and flamingo.
3. British. any of various ground-nesting shorebirds of small to moderate size, as the gull, tern, skimmer, phalarope, and plover.
4. waders, high, waterproof boots used for wading, as by fishermen, duck hunters, or laborers.