an oily, unctuous substance obtained from cream or milk by churning.-any substance resembling butter in degree of consistence, or other qualities, especially, in old chemistry, the chlorides, as butter of antimony, sesquichloride of antimony; also, certain concrete fat oils remaining nearly solid at ordinary temperatures, as butter of cacao, vegetable butter, shea butter.-to cover or spread with butter.-to increase, as stakes, at every throw or every game.-one who, or that which, butts.