PENS

noun

1. An enclosure (enclosed area) used to contain domesticated animals, especially sheep or cattle.
2. A prison cell.
3. The bullpen.

verb

1. To enclose in a pen.

noun

1. A tool, originally made from a feather but now usually a small tubular instrument, containing ink used to write or make marks.
2. A writer, or his style.
3. Marks of ink left by a pen.