"Quadruply" is a word in ENGLISH

Times or repetitions; -- used with numerals, chiefly in composition, to denote multiplication or increase in a geometrical ratio, the …

Four times; quadruple; as, a fourfold division.

To make four times as much or as many, as an assessment,; to quadruple.

Four times as many or as much.

A combining form meaning four, four times, fourfold; as, quadricapsular, having four capsules.

Fourfold; having four similar parts, or two pairs of similar parts.

To multiply by four; to increase fourfold; to double; to double twice.

four times the sum or number; a fourfold amount; as, to receive to quadruple of the amount in damages.

To be multiplied by four; to increase fourfold; to become four times as much.

Fourfold; as, to make quadruple restitution; a quadruple alliance.

Fourfold; folded or doubled twice.

To make fourfold; to double twice; to quadruple.

Fourfold; doubled twice; four times repeated; as, a quadruplicate ratio, or a quadruplicate proportion.

The act of making fourfold; a taking four times the simple sum or amount.

In the law of estates. The pe-culiar characteristic of an estate held by several in Joint tenancy, and which , …