| grayback | (เกร'แบค) n. สัตว์ขั้วโลกเหนือ |
| Grayback | n. (Zool.) |
| greyback | (n) a dowitcher with a grey back, Syn. Limnodromus griseus, grayback |
| knot | (n) a sandpiper that breeds in the Arctic and winters in the southern hemisphere, Syn. grayback, greyback, Calidris canutus |