A surname.

present participle of pen in

plural of pen shell

Any of the Pinnidae, a family of large saltwater clams.

A ballpoint pen.

plural of pen-pusher

A liquid polymer delivery system with a form factor similar to a standard ink pen. The polymer is electrically conductive and rapid-drying. Used to create or repair conductive traces on printed circuit boards.

plural of pen pal

plural of pen pusher

A pen containing a reservoir of ink, which is fed to a writing nib automatically.