Quadruple

a. [Fr. quadruple, It. quadruplo, Sp. cuadruplo, Lat. quadruplex, fr. quatuor, four.] Fourfold; four times told; as, to make quadruple restitution for trespass or theft.

n. [Fr. quadruple, It. quadruplo, Lat. quadruplum.] Four times the sum or number; a fourfold amount; as, to receive quadruple the amount in damages or profits.

[imp. & p. p. QUADRUPLED; p. pr. & vb. n. QUADRUPLING.] [Fr. quadrupler. See QUADRUPLICATE, v. t.] To multiply by four; to increase fourfold; to make four times as much, or as many.

To be multiplied by four; to become four times as much or many.