leg-of-mutton(redirected from leg-o'-mutton)
leg-of-mut·ton(lĕg′ə-mŭt′n, lĕg′əv-) or leg-o'-mut·ton (lĕg′ə-)
Resembling a leg of mutton in shape; tapering sharply from one large end to a point or smaller end, as a sleeve or sail.
(Clothing & Fashion) (modifier) (of a sail, sleeve, etc) tapering sharply or having a triangular profile
1. having the triangular shape of a leg of mutton: a leg-of-mutton sail.
2. (of the sleeve of a dress or blouse) full and puffed from shoulder to elbow and then tightly fitted from elbow to wrist.