pin
n. countablen. a secret number you use to prove who you are, usually when using a bank card or opening your phone. You should never share this number with other people.
n. a numeric password used to authenticate a user to a system, most commonly associated with electronic financial transactions. An acronym for Personal Identification Number, though frequently treated as a standalone noun.
Please enter your PIN to complete the payment.
The bank advises customers to memorize their PIN and avoid writing it down on the back of their cards.
Security protocols require that the PIN be encrypted at the point of entry to prevent unauthorized access during the transmission of transaction data.
Often used in the phrase 'PIN number', which is technically redundant but standard in casual speech.
I forgot my pin numberI forgot my PINWhile 'PIN number' is common in speech, it is redundant because the 'N' already stands for 'number'.
- 01
one could hear a pin drop
Extremely quiet, for example, as during a lull in a normally bustling place or scene, or at a sudden dramatic or tense moment.
- 02
pin down
To identify something (e.g. a decision or plan) clearly or specifically.
- 03
pin money
A relatively small sum of cash kept in one's personal possession for routine expenses or incidental purchases; an amount of money which is not particularly significant.