LAPP Meaning of LAPP in English Lapp /ˈlæp/ BrE AmE ( also Lap‧land‧er /ˈlæplændəʳ/) noun someone who comes from Lapland. People from Lapland prefer to be called Saami or Sami. —Lapp adjective Longman Dictionary of Contemporary English. Longman - Словарь современного английского языка. 2012