QUAD'RUPLE, adjective [Latin quadruplus; quadra, quatuor, and plico, to fold.] Fourfold; four times told; as, to make quadruple restitution for trespass or theft. QUAD'RUPLE, noun Four times the sum or number; as, to receive quadruple the amount in damages or profits.
Source: Webster's 1828 American Dictionary ↗ · public-domain · returned verbatim, no AI