Supercharge

['suːpətʃɑːdʒ;'sjuː-]

(verb.) increase the pressure on a gas or liquid.

Typed by Bert--From WordNet

(v. t.) To charge (a bearing) upon another bearing; as, to supercharge a rose upon a fess.

(n.) A bearing charged upon another bearing.

Typed by Hannah

n. (her.) a charge borne upon an ordinary or other charge.

Edited by Benson