What is the meaning of Scrap?

A (small) piece; a fragment; a detached, incomplete portion.

The smallest amount.

Leftover food.

The crisp substance that remains after drying out animal fat.

Discarded objects (especially metal) that may be dismantled to recover their constituent materials, junk.

English Wikipedia has an article on:
Wikipedia

A piece of deep-fried batter left over from frying fish, sometimes sold with chips.

Loose-leaf tobacco of a low grade, such as sweepings left over from handling higher grades.

A Hispanic criminal, especially a Mexican or one affiliated with the Sureno gang.

A snare for catching birds.

To discard; to get rid of.

To stop working on indefinitely.

To scrapbook; to create scrapbooks.

To dispose of at a scrapyard.

To make into scrap.

A fight, tussle, skirmish.

to fight

Source: wiktionary.org