letterheadlet·ter·head /ˈletəhed-ər-/ noun1[countableC] the name and address of a person or business printed at the top of paper used for writing lettersAn elegant letterhead is a sign of success.
2[uncountableU] (also headed paper British EnglishBrE) paper with the name and address of a person or business printed on itWould you please print out the memo on letterhead?