Definition of double
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"
having two meanings with intent
to deceive; "a sly double
meaning"; "spoke with forked tongue"
hit a two-base hit