1A foot with webbed toes; a webbed foot.
2Chiefly as one word. A bird or other animal with webbed feet; specifically a duck.
3An inhabitant of the Fens in eastern England. Now rare (chiefly historical).
4A native or inhabitant of the state of Oregon.
5historical Somewhat depreciative. In the American Civil War: an infantryman. Compare mud-crusher .
Late 17th century; earliest use found in Thomas Kirke (1650–1706), antiquary and topographer. From web + foot.