Tick (noun)

1. A small blood-sucking arachnid.
2. A light ticking sound.
3. A small mark used to indicate a choice or a score.

Origin:

From the middle english word "ticke" meaning a small blood-sucking arachnid, it refers to a small blood-sucking arachnid, or a light ticking sound or a small mark used to indicate a choice or a score.

Examples:

1. The hiker felt a tick crawling on his skin and quickly brushed it off.
2. The clock's tick could be heard throughout the silent room.
3. The teacher marked the student's paper with a tick for each correct answer.
4. The voter put a tick next to the candidate's name on the ballot.
5. The sound engineer adjusted the microphone to eliminate the tick noise.