or o·o, o’·o
noun, plural o-os.
Origin of o-o
O and O
Examples from the Web for o-o
Historical Examples of o-o
When the mamo became rare the natives began to substitute the light yellow feathers growing under the wings of the o-o.The Spell of the Hawaiian Islands and the Philippines
Either he can O-O now; if not, then it is proof positive that his defence is bad.The Blue Book of Chess
Howard Staunton and "Modern Authorities"