We found one dictionary that defines the word principal payment:

General (1 matching dictionary)

1. principal payment: Longman Dictionary of Contemporary English

▸ Words similar to principal payment ▸ Usage examples for principal payment ▸ Idioms related to principal payment ▸ Wikipedia articles (New!) ▸ Words that often appear near principal payment ▸ Rhymes of principal payment ▸ Invented words related to principal payment