Chapter Opportunely to Out of O by Soule's Synonymes

2. Circle, orbit, circuit, ring.

3. Wheel, disk, circle.

4. Revolution, period.

Orbicular, a.

1. Spherical, globular, globated, globous, globose, round, orbed, orbic.

2. Circular, orbed, round.

Orbit, n.

1. Orb, circular path (of a celestial body).

2. (Anat.) Cavity of the eye.

Orchestra, n.

1. Place for musicians (as in a theatre).

2. Band of instrumental musicians (in an orchestra).

Orchotomy, n. (Med.) Emasculation, castration.

Ordain, v. a.

1. Appoint, call, elect, consecrate, destine, set apart.

2. Establish, institute, regulate.

3. Decree, enact, order, prescribe, enjoin.

4. Appoint, constitute.

Ordeal, n. Trial, test, touchstone, proof, assay, experiment, scrutiny, probation.

Order, n.

1. Method, regularity, symmetry, regular arrangement, disposition.

2. Fit condition, proper state.