overfoldPronunciation: /ˈəʊvəfəʊld/Definition of overfold noun a part of something which is folded over another part:the tunic is belted over a long overfold Geology a fold in which both the limbs dip in the same direction so that strata in the middle part are upside down. overfold in other Oxford dictionaries Definition of overfold in the US English dictionary