tick

US /tɪk/
UK /tɪk/
"tick" picture
1.

a mark (✓) used to indicate that an item in a list is correct or has been dealt with

:
Put a tick next to the items you have completed.
The teacher put a red tick on my paper.
2.

a regular short, sharp, clicking sound, especially that made by a clock or watch

:
I could hear the steady tick of the grandfather clock.
The only sound was the quiet tick of the old wall clock.
3.

a small, wingless, parasitic arachnid that feeds on the blood of mammals, birds, and reptiles

:
After the hike, we found a tick on the dog's ear.
It's important to check for ticks after spending time outdoors.
1.

make a mark (✓) on an item in a list or document to indicate that it is correct or has been dealt with

:
Please tick the box if you agree.
I've ticked off all the items on my to-do list.
2.

(of a clock or watch) make a regular short, sharp, clicking sound

:
The old clock on the wall continued to tick loudly.
I could hear the seconds ticking by.