Fr. ouvrir, ouvert; Ger. öffnen, offen.

Opossum. Hold out the flat right, fingers doubled on palm, thumb straight up; move it forward level. The thumb represents the tail. This is an Australian sign given by E. C. Stirling. It is offered as a suggestion and as a reminder that the Sign Language is world-wide. The Cheyennes sign Tree, Climb, Hang by tail.

Fr. l’opossum, le (la) sarigue; Ger. das Opossum.

Opposite or Against. Hold the G fingers up opposite each other, pointing at each other. Compare Against.

Fr. opposé, en face; Ger. gegenüber.

Or. See Either. Sometimes use Different.

Orderly or Put in order. See Ready.

Ordinal Numbers. See Numbers Ordinal.