tick

(British, informal) A very short period of time; a moment.

"I'll be with you in a tick."

A small mark, often a ✓, indicating something is correct, checked, or completed.

"Put a tick next to the correct answer."

A small parasitic arachnid that attaches to animals and humans to feed on blood.

"Be careful of ticks in the long grass."

A short, light, regular clicking sound, often made by a clock or watch.

"I could hear the clock's steady tick."

To make a small mark, usually a ✓, to indicate correctness, completion, or selection.

"Please tick the box if you agree."