Men may counsel a woman to be one.
Chaucer.
One is often used in forming compound words, the meaning of which is
obvious; as, one-armed, one-celled, one-eyed, one-handed, one-hearted,
one- horned, one-idead, one-leaved, one-masted, one-ribbed, one-story,
one-syllable, one- stringed, one-winged, etc.
All one, of the same or equal nature, or consequence; as, he says that
it is all one what course you take. Shak. -- One day. (a) On a certain
day, not definitely specified, referring to time past.
One day when Phoebe fair, With all her band, was following the
chase.
Spenser.
(b) Referring to future time: At some uncertain day or period; some
day.
Well, I will marry one day.
Shak.
One, n. 1. A single unit; as, one is the base of all numbers.