income

American Heritage® Dictionary of the English Language, Fourth Edition

1. n. The amount of money or its equivalent received during a period of time in exchange for labor or services, from the sale of goods or property, or as profit from financial investments.
2. n. The act of coming in; entrance.

Century Dictionary and Cyclopedia

1. n. A coming in; arrival; entrance; introduction.
2. n. A new-comer or arrival; an incomer.
3. n. An entrance-fee.
4. n. A coming in as by influx or inspiration; hence, an inspired quality or characteristic, as courage or zeal; an inflowing principle.
5. n. A disease or ailment coming without known or apparent cause, as distinguished from one induced by accident or contagion. See ancome, oncome.
6. n. That which comes in to a person as payment for labor or services rendered in some office, or as gain from lands, business, the investment of capital, etc.; receipts or emoluments regularly accruing, either in a given time, or, when unqualified, annually; the annual receipts of a person or a corporation; revenue: as, an income of five thousand dollars; his income has been much reduced; the income from the business is small.

Wiktionary

1. n. obsolete A coming in; arrival; entrance; introduction.
2. n. archaic or dialectal, Scotland A new-comer or arrival; an incomer.
3. n. obsolete An entrance-fee.
4. n. archaic A coming in as by influx or inspiration, hence, an inspired quality or characteristic, as courage or zeal; an inflowing principle.
5. n. Scotland A disease or ailment without known or apparent cause, as distinguished between one induced by accident or contagion; an oncome.
6. n. or uncountable Money one earns by working or capitalising off other people's work.

GNU Webster's 1913

1. n. obsolete A coming in; entrance; admittance; ingress; infusion.
2. n. rare That which is caused to enter; inspiration; influence; hence, courage or zeal imparted.
3. n. That gain which proceeds from labor, business, property, or capital of any kind, as the produce of a farm, the rent of houses, the proceeds of professional business, the profits of commerce or of occupation, or the interest of money or stock in funds, etc.; revenue; receipts; salary; especially, the annual receipts of a private person, or a corporation, from property.
4. n. (Physiol.) That which is taken into the body as food; the ingesta; -- sometimes restricted to the nutritive, or digestible, portion of the food. See Food. Opposed to output.

WordNet 3.0

1. n. the financial gain (earned or unearned) accruing over a given period of time