cos
/kɑz/
conjunction
- A short, informal way of saying 'because'.
- I'm late cos my alarm didn't go off.
- She brought snacks cos she knew everyone would be hungry.
- We stayed inside cos it was raining.
Synonyms
noun
- A type of lettuce with long, crisp leaves and a tall head; also called romaine lettuce.
- I bought a head of cos for the Caesar salad.
- The farmer grows both iceberg and cos in his fields.
- Cos lettuce is great for sandwiches because it stays crunchy.
- Short for 'cosine', a trigonometric function in mathematics.
- We used a calculator to find the cos of the angle.
- In the equation, cos of 60 degrees equals 0.5.
- The graph of cos looks like a wave.