pin down

/pˈɪn dˈaʊn/

to pin down

MAIN VERB

[phrase form: pin]

to firmly establish or determine something, especially through careful investigation or analysis

synonyms : nail down

attach with or as if with a pin

synonyms : pin up

place in a confining or embarrassing position

synonyms : trap

Examples

1. The dominant male eventually pins down his competitor.

2. Will the underdogs pin down the heavy favorites?

3. Pinned down?

4. A frenzied flutter of the wings pins down its prey.