/k/ or /kʰ/ (depending on position and dialect)

Definitions

1. noun

A unit of time equal to 100 years.

“The ancient city was built around the 10th ck.”

2. verb

To mark or sign with an X, often used in games.

“The player ck’d on the scoreboard after winning the game.”

3. interjection

An expression used to indicate surprise or excitement.

“Ck! What a fantastic view!”