pin%20down

verb

1. 1

   To attach or secure with pins.

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

2. 2

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

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

3. 3

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

4. 4

   To corner somebody in order to get a firm answer.

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