sheerlegs Syllabification: (sheer·legs)Pronunciation: /ˈSHi(ə)rˌlegz/Definition of sheerlegs noun [treated as singular] a hoisting apparatus made from poles joined at or near the top and separated at the bottom, used for masting ships, installing engines, and lifting other heavy objects. sheerlegs in other Oxford dictionaries Definition of sheerlegs in the British & World English dictionary