to decide not to use something in English:

I think we should scrap this idea.

Hundreds of nuclear weapons have been scrapped.

They had been forced to scrap plans for a new school building.

Please get me a scrap of paper.

Let's scrap everything and start over again with a clean slate.

Tom asked for Mary's address and wrote it down on a piece of scrap paper.

a scrap of a puzzle

There wasn't a scrap of truth in the statement.

throw sth on the scrap heap

... like Ron Roth to scrap their old vehicles.

the national tests for 14-year-olds were scrapped

My old car was sold for scrap.

scraps of left over food

We sold the car for scrap (= so that any good parts can be used again).

The child was throwing scraps of meat to his puppy under the table / Any scrap of information you may have could be helpful to our investigation