[f. SMOCK sb., with reference to the shape.] A windmill having a revolving top.
1802. Hull Advertiser, 18 Dec., 3/2.
1825. J. Nicholson, Operat. Mechanic, 123–4. The other method of bringing the windshaft and sails into … position … is, by what is called the smock-mill.
1838–. in dialect glossaries and technical dictionaries.
1888. Encycl. Brit., XXIV. 599. The post mill was succeeded by the tower, smock, or frock mill.
