1. a small blood-sucking arachnid that attaches to animals and humans
2. a short, sharp sound made regularly by a clock or watch
3. a mark (✓) used to show that something is correct or has been chosen
Usage: British

1. to make a short, sharp sound at regular intervals
2. to mark something with a tick or check mark

Examples

• The dog had several ticks after running through the tall grass.
• I could hear the tick of the grandfather clock in the hallway.
• Put a tick next to your answer on the test.
• The clock ticked loudly in the quiet room.
• Please tick the box if you agree to the terms.
• The bomb was ticking down to zero.
• She ticked off each item on her shopping list.