quarterfold UK /ˈkwɔːtəˌfəʊld/US /ˈk(w)ɔɹtɚˌfoʊld/ noun1 •A fold produced by folding a sheet of paper or other material once in half and then again in half at a right angle, resulting in four roughly equal panels or quadrants.Snowdrift white crepe quarterfold napkins saves folding — 1918 formsquarterfolds