Share1  —n. 1 portion of a whole allotted to or taken from a person. 2 each of the equal parts into which a company's capital is divided, entitling its owner to a proportion of the profits. —v. (-ring) 1 (also absol.) Have or use with another or others; get, have, or give a share of (we shared a room; refused to share; shared his food). 2 (foll. By in) participate. 3 (often foll. By out) divide and distribute (let's share the last cake). 4 have in common (shared the same beliefs). [old english: related to *shear]