Main entry: pen
Definition: female swan
Main entry: pen
Definition: a writing implement with a point from which ink flows
Main entry: pen
Definition: an enclosure for confining livestock
Main entry: pen, penitentiary
Definition: a correctional institution for those convicted of major crimes
Definition: a portable enclosure in which babies may be left to play
Main entry: compose, write, indite, pen
Definition: produce a literary work
Usage: She composed a poem; He wrote four novels