NeoDict for iPhone.

Available free in the App Store

View
NeoDict for Android.

Available free in the Play Store

View
English Dictionary
▪ double-reed instrument▪ double-space▪ double-spaced▪ double-spacing▪ double-tongued
◊ double-spaced
double-spaced
adj : (of type or print) having a blank line between lines of
type; "manuscripts must be double-spaced"