<p><strong>Noun</strong></p><ul><li>A town in SE Ontario, in S Canada, NW of Toronto.</li><li>A town in W Suffolk, in E England, E of Cambridge: horse races.</li><li>(often lowercase) Also called Newmarket coat:<ul><li>A long, close-fitting coat worn in the 19th century as an overcoat by women and as a riding coat by men.</li></ul></li><li>British: the card game Michigan.</li></ul>