pin down

Primary Meanings of pin down

1.
v
attach with or as if with a pin
2.
v
define clearly
Full Definitions of pin down
1

v attach with or as if with a pin

Synonyms:
pin up
Type of:
attach
cause to be attached

v place in a confining or embarrassing position

Synonyms:
trap
Type of:
confine, detain
deprive of freedom; take into confinement
2

v define clearly

Synonyms:
nail down, narrow, narrow down, peg down, specify
Types:
concretize
make something concrete
Type of:
determine
fix in scope; fix the boundaries of

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