What does appropriation mean?
The definition of appropriation
Ap*pro`pri*a”tion, n.
Etym: [L. appropriatio: cf. F. appropriation.]

1 The act of setting apart or assigning to a particular use or person, or of taking to one’s self, in exclusion of all others; application to a special use or purpose, as of a piece of ground for a park, or of money to carry out some object.
2 Anything, especially money, thus set apart. The Commons watched carefully over the appropriation. Macaulay.
3 (Law)

(a) The severing or sequestering of a benefice to the perpetual use of a spiritual corporation. Blackstone.
(b) The application of payment of money by a debtor to his creditor, to one of several debts which are due from the former to the latter. Chitty.