Pen

A feather.

A wing.

An instrument used for writing with ink, formerly made of a reed, or of the quill of a goose or other bird, but now also of other materials, as of steel, gold, etc. Also, originally, a stylus or other instrument for scratching or graving.

Fig.: A writer, or his style; as, he has a sharp pen.

The internal shell of a squid.

A female swan.

To write; to compose and commit to paper; to indite; to compose; as, to pen a sonnet.

To shut up, as in a pen or cage; to confine in a small inclosure or narrow space; to coop up, or shut in; to inclose.

A small inclosure; as, a pen for sheep or for pigs.

female swan

an enclosure for confining livestock

a portable enclosure in which babies may be left to play