Definition of purparty in US English:

purparty

(also pourparty)

noun

Law
historical
  • A portion or share; specifically a part of an estate allotted to a coparcener.

Origin

Middle English; earliest use found in Statutes of the Realm. From Anglo-Norman pourpartie, purpartie, purpartye and Old French (Normandy) porpartie share, portion, part of an estate allotted to a coparcener from por-, pour-, pur- + partie, partye division, part. Compare post-classical Latin propartia, purpartia.

Pronunciation

purparty

/ˈpəːpɑːti/