PORE

Definition

1. verb direct one's attention on something. — synonyms: concentrate, focus, center, centre, rivet
2. noun any tiny hole admitting passage of a liquid (fluid or gas).
3. noun any small opening in the skin or outer surface of an animal.
4. noun a minute epidermal pore in a leaf or stem through which gases and water vapor can pass. — synonyms: stoma, stomate