Orare, see [Rogare].
Oratio, see [Sermo].
[Orbis]; Circulus; Gyrus. Orbis (from ῥαιβός) denotes a circular motion, and the periphery described by it; whereas circulus denotes a circular level; lastly, gyrus (from γυρός) a curved, and especially a serpentine line. The phrase in orbem consistere could not be changed into in circulum, and a limited social circle, circulus, could not be expressed by orbis. Tac. G. 6. Equi nec variare gyros nostrum in modum docentur; in rectum aut uno flexu dextros agunt, ita conjuncto orbe ut nemo posterior sit. (v. 182.)
Ordiri, see [Incipere].
Ordo, see [Series].
Oreæ, see [Frenum].
Ornare, see [Comere].
Ornatus, see [Præditus].
Os, see [Facies].
[Osculum]; Suavium; Basium. Osculum is a friendly; suavium, a tender; basium, an ardent kiss. (vi. 251.)