<p><strong>Noun</strong></p><ul><li>Isle of Guernsey: one of the Channel Islands, in the English Channel. With adjacent islands, about 24½ sq. mi. (63 sq. km).</li><li>One of a breed of dairy cattle, raised originally on the Isle of Guernsey, producing rich, golden-tinted milk.</li><li>A close-fitting knitted woolen shirt worn by sailors and soccer or rugby players.</li></ul>