What is "duple"

Duple \Du"ple\, a. [L. duplus. See Double.] Double.

Duple ratio (Math.), that in which the antecedent term is double the consequent, as of 2 to 1, 8 to 4, etc. [1913 Webster] ||

a. 1 (context rare English) double. 2 (context of time or music English) Having two beats, or a multiple of two beats, in each measure. 3 (context poetry English) Having two beats in each foot.

adj. consisting of or involving two parts or components usually in pairs; "an egg with a double yolk"; "a double (binary) star"; "double doors"; "dual controls for pilot and copilot"; "duple (or double) time consists of two (or a multiple of two) beats to a measure" [syn: double, dual]