NeoDict for iPhone.

Available free in the App Store

View
NeoDict for Android.

Available free in the Play Store

View
English Dictionary
▪ down-to-earth▪ downbeat▪ downbound▪ downcast▪ downdraft
◊ downbound
downbound
adj : heading in any direction that is conventionally down; "a
downbound channel"; "the downbound train"