What is the meaning of Interest?

The price paid for obtaining, or price received for providing, money or goods in a credit transaction, calculated as a fraction of the amount or value of what was borrowed.

Any excess over and above an exact equivalent

A great attention and concern from someone or something; intellectual curiosity.

Attention that is given to or received from someone or something.

An involvement, claim, right, share, stake in or link with a financial, business, or other undertaking or endeavor.

Something which, or someone whom, one is interested in.

Condition or quality of exciting concern or being of importance.

Injury, or compensation for injury; damages.

The persons interested in any particular business or measure, taken collectively.

a genre of factual short films, generally more amusing than informative, especially those not covered by a more specific genre label

To engage the attention of; to awaken interest in; to excite emotion or passion in, in behalf of a person or thing.

To be concerned with or engaged in; to affect; to concern; to excite.

To cause or permit to share.

interest

third-person singular present active indicative of intersum

interest (great attention and concern from someone or something)

Source: wiktionary.org