Tre Pol and Pen

The phrase Tre Pol and Pen is used to describe people from or places in Cornwall, England. The full rhyming couplet runs: "By Tre, Pol and Pen shall ye know all Cornishmen". Many Cornish surnames and place names still retain these words as prefixes. Tre means a settlement or homestead; Pol, a pond, lake or well; and Pen, a hill or headland.