As a Verb or Adjective: 1. To make something, usually a flat object, reverse its orientation so that the side that was up is now down and vice versa. English = turn, turn over. 2. Of flat objects, to reverse orientation so that the side that was up is now down and vice versa. English = turn, turn over. As Modifier: 1. Used at the beginning of a sign sentence to give further information (to your partner or to your own previous statements) which is at variance to what has been said before. English = on the other hand, anyhow, in any case.