Definitions

1. noun

a small rock or stone, especially one that is rounded and smoothed by the action of water or ice.

“The child picked up a calc from the beach and examined it closely.”

2. verb

to calculate or compute (something, especially a sum or total).

“The accountant will have to calc the company’s profits for the year.”

3. verb

to form or become calcium carbonate, especially by the action of rainwater on limestone.

“The calc process is a natural one that occurs over thousands of years.”