Wader

1. n. 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.
2. n. One who, or that which, wades.

The word meanings were obtained from OPTED(The Online Plain Text English Dictionary), which is based on “The Project Gutenberg Etext of Webster’s Unabridged Dictionary” which is in turn based on the 1913 US Webster’s Unabridged Dictionary (See Project Gutenburg), as a text file.