Real Dictionary

put down
phrasal verb: If you put down some money, you pay part of the price of something, and will pay the rest later.
phrasal verb: If you put something down somewhere, you write or type it there.

put down in American English
to crush; repress; squelch
to write down; register; record

put down in British English
to make a written record of
noun: a cruelly crushing remark

put-down
countable noun: A put-down is something that you say or do to criticize someone or make them appear foolish.

put-down in American English
a belittling remark or crushing retort
noun: a landing of an aircraft

put-down in British English
noun: something that you say or do to criticize someone or make them appear foolish