An informal abbreviation for 'calorie', a unit of energy commonly used to measure the energy content of food and drink. noun
This snack contains only 100 cal per serving.
She tracks her daily cal intake to maintain her diet.
An abbreviation for 'caliber', often used in the context of firearms to denote the diameter of the barrel or the projectile it fires. noun
The rifle is available in a 0.30 cal version.
He prefers using a 9mm cal for target practice.
An informal abbreviation for 'calendar', often used in digital or casual contexts. noun
Can you add the meeting to my cal?
I checked my cal and I'm free on Friday.