securitycode
nounUK /sɪˈkjʊərəti kəʊd/
US /sɪˈkjʊrəti koʊd/
A secret set of numbers or letters that keeps something safe.
Please type your security code to open the door.
RELATED WORDS
OTHER MEANINGS
2. The three-digit number on the back of a bank card.
The shop asked for the security code on my card.
3. A code printed on a ticket or document to prove it is real.
Scratch off the panel to see your security code.
4. A number used to unlock a phone or alarm.
He forgot the security code for the alarm.