The Collaborative International Dictionary of English v.0.48:
Half \Half\ (h[aum]f), n.; pl. Halves (h[aum]vz). [AS. healf.
See Half, a.]
1. Part; side; behalf. [Obs.] --Wyclif.
The four halves of the house. --Chaucer.
2. One of two equal parts into which anything may be divided,
or considered as divided; -- sometimes followed by of; as,
a half of an apple.
Not half his riches known, and yet despised.
A friendship so complete
Portioned in halves between us. --Tennyson.
Better half. See under Better.
In half, in two; an expression sometimes used improperly
instead of in halves or into halves; as, to cut in
half. [Colloq.] --Dickens.
In one's half or On one's half, in one's behalf; on one's
To cry halves, to claim an equal share with another.
To go halves, to share equally between two.