Definition of pomme de terre in English:

pomme de terre

Pronunciation /ˌpɒm də ˈtɛː/

noun

Cooking
  • A potato. Frequently in the names of dishes containing, or consisting chiefly of, potatoes.

Origin

Late 18th century. From French pomme de terre potato from pomme + de + terre, probably after Dutch aardappel or German (regional, now chiefly southern) Erdapfel.