Third-person singular simple present indicative form of put a pin in

present participle of put a pin in

To discredit or ridicule; to deflate someone or something that is pompous or overly esteemed. / To make something certain; to nail down.

Third-person singular simple present indicative form of pin down

present participle of pin down

(especially of a camera or visual image) Very clear; piercing.

(UK, slang, obsolete) To refrain from drinking alcohol.

Alternative form of crankpin

A pin that connects the piston to the connecting rod of an internal combustion motor

plural of gudgeon pin