tick

US /tɪk/

UK /tɪk/

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

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Put a tick next to the items you have completed.

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The teacher put a red tick on my paper.

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

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I could hear the steady tick of the grandfather clock.

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The only sound was the quiet tick of the old wall clock.

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

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After the hike, we found a tick on the dog's ear.

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It's important to check for ticks after spending time outdoors.

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

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Please tick the box if you agree.

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I've ticked off all the items on my to-do list.

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

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The old clock on the wall continued to tick loudly.

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I could hear the seconds ticking by.