n. The knot or red-breasted sandpiper, Tringa canutus.n. The gray snipe.n. The common body-louse, Pediculus vestimenti.n. The dab, a fish.n. The California gray whale, Rhachianectes glaucus.n. The red-headed duck or American pochard, Fuligula americana.n. The black-headed or American scaup duck, Fuligula marila nearctica.n. A Confederate soldier during the American civil war; a graycoat.