tick1

noun

• 1British a mark (✓) used to indicate that an item in a list or text is correct or has been chosen, checked, or dealt with.

• 2a regular short, sharp sound, especially that made by a clock or watch: the comforting tick of the grandfather clock
• British informal a moment:I shan’t be a tick I’ll be with you in a tick

• 3 Stock Exchange the smallest recognized amount by which a price of a security or future may fluctuate.

verb

• 1chiefly British mark (an item) with a tick, typically to show that it has been chosen, checked, approved, or dealt with:just tick the appropriate box below

• 2 [no object] (of a clock or other mechanical device) make regular short, sharp sounds, typically one for every second of time that passes:I could hear the clock ticking
• (tick away/by/past) (of time) pass:the minutes were ticking away till the actor’s appearance
• proceed or progress:her book was ticking along nicely