1. a writing instrument that uses ink
2. a small enclosed area for keeping animals

1. to write or compose with a pen
2. to confine in or as if in a pen

Examples

• She signed the contract with a blue pen.
• The farmer built a pen for the sheep.
• He penned a letter to his grandmother.
• The chickens were penned up for the night.
• My favorite pen ran out of ink during the exam.
• The pig pen needs to be cleaned today.
• She penned her thoughts in a journal.