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English definition of “tick”

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tick

noun uk   /tɪk/ us  

tick noun (MARK)

A2 [C] mainly UK ( US usually check) a mark (✓) that shows that something is correct or has been done: Put a tick by/against the names of the people who have accepted the invitation.
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tick noun (SHORT TIME)

[C] UK informal a very short time: Hold on/Hang on a tick - I'm not quite ready. I'll be with you in a tick/in two ticks.

tick noun (SOUND)

[C usually singular] the sound clocks and watches make every second

tick noun (PAYING LATER)

on tick UK old-fashioned informal If you buy something on tick, you pay for it later.

tick noun (ANIMAL)

[C] a very small creature like an insect that lives on and sucks the blood of other animals

tick

verb uk   /tɪk/ us  

tick verb (SOUND)

C2 [I] When a clock or watch ticks, it makes a sound every second: The ticking of the clock kept her awake.

tick verb (MARK)

A1 [T] mainly UK ( US usually check) to mark something with a tick: Tick (off) each item on the list as you complete it.
(Definition of tick from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
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