intransitive verb
Definition: To make a repeated clicking sound, often like a clock, or to operate effectively.
Example: The clock ticked softly in the quiet room.
noun
Definition: A small bloodsucking creature that attaches to the skin of animals and humans, often transmitting diseases.
Example: I found a tick on my dog after our walk in the woods.
transitive verb
Definition: To mark something with a small check or to count something by making a ticking sound.
Example: She ticked off the items on her shopping list as she found them.