Main Entry: four·fold

Pronunciation: \ˈfȯr-ˌfōld, -ˈfōld\

Function: adjective

Etymology: Middle English, from Old English fēowerfeald, from fēower + -feald -fold

Date: before 12th century

1 : being four times as great or as many
2 : having four units or members

— four·fold \-ˈfōld\ adverb