noun a short jacket worn by men and by women.
2. spencer ·noun one who has the care of the spence, or buttery.
3. spencer ·noun a fore-and-aft sail, abaft the foremast or the mainmast, hoisted upon a small supplementary mast and set with a gaff and no boom; a trysail carried at the foremast or mainmast;
named after its inventor, knight spencer, of england .