- a detriment or sacrifice
"at the expense of"

- amounts paid for goods and services that may be currently tax deductible (as opposed to capital expenditures)

- money spent to perform work and usually reimbursed by an employer
"he kept a careful record of his expenses at the meeting"

1. A spending or consuming; disbursement; expenditure.

"Husband nature's riches from expense." -- Shak.

2. That which is expended, laid out, or consumed; cost; outlay; charge; -- sometimes with the notion of loss or damage to those on whom the expense falls; as, the expenses of war; an expense of time.

"Courting popularity at his party's expense." -- Brougham.

3. Loss. [Obs.] Shak.

"And moan the expense of many a vanished sight." -- Spenser.

Expense magazine
(Mil.), a small magazine containing ammunition for immediate use. H. L. Scott.