`1. forehead : BE /ˈfɔː.hed/ AE/ˈ/ˈfɑr·əd, ˈfɔr-//ˈfɑr·hed, ˈfɔr-/ the flat part of the face, above the eyes and below the hair. 2. eye BE /aɪ/ AE /ɑɪ/ : one of the pair of organs of seeing in the faces of humans idioms in AEen eye for an eye : the idea that a person who causes another person to suffer should suffer in an equal amount.