yellowlegs Syllabification: (yel·low·legs)Pronunciation: /ˈyelōˌlegz/Definition of yellowlegs noun a migratory sandpiper with bright yellow legs, breeding in Alaska and Canada. Genus Tringa, family Scolopacidae: two species, the greater yellowlegs (T. melanoleuca) and the lesser yellowlegs (T. flavipes) yellowlegs in other Oxford dictionaries Definition of yellowlegs in the British & World English dictionary