The place in a windowsill where you can place pens when the window is open.
Wiltmore used the pensill to store extra pens because his desk was next to a window.
by Emperor MAR July 14, 2009
The Urban Dictionary Mug
One side has the word, one side has the definition. Microwave and dishwasher safe. Lotsa space for your liquids.Buy the mug
Can you define these popular missing words?