Definition of principal sum
: the sum specified to be paid under the terms of an accident or health insurance policy in case of the death of the insured or the loss of limb or sight due to an accidental injury
Join MWU now and get access to America’s largest dictionary, with:
- 300,000 words that aren't in our free dictionary
- Expanded definitions, etymologies, and usage notes
- Advanced search features
- Ad free!
Seen and Heard
What made you want to look up principal sum? Please tell us where you read or heard it (including the quote, if possible).