O\'
() A prefix to Irish family names, which signifies grandson or descendant of, and is a character of dignity; as, O'Neil, O'Carrol.
(prep.) A shortened form of of or on.
Similar Words:
Cat o' nine tails Elmo's fire Fo'gey Fo'liolate Hop-o'-my-thumb Jack-o'-lantern Light-o'-love O' O'er O's