What does alimony mean?
The definition of alimony
Al”i*mo*ny, n.
Etym: [L. alimonia, alimonium, nourishment, sustenance, fr. alere to nourish.]

1 Maintenance; means of living.
2 (Law)
An allowance made to a wife out of her husband’s estate or income for her support, upon her divorce or legal separation from him, or during a suit for the same. Wharton. Burrill.