Definition of "pin down" in English

Verb

1. To attach or secure with pins.

   • Pin down the tablecloth, so it doesn't blow away in the breeze.

2. To identify something (e.g. a decision or plan) clearly or specifically.

   • Something is wrong, but I can't pin it down.

3. To hold the opponent back-first so both his or her shoulders touch the mat or ground.

4. To corner somebody in order to get a firm answer.

   • Let's try to pin him down on a price.