Definition of "lumping"

VVilt thou purchaſe it Nic.? thou ſhalt have a lumping Pennyvvorth; nay, rather than vve ſhould differ, I'll give thee ſomething to take it off my Hands.

1712, Humphry Polesworth [pseudonym; John Arbuthnot], “The Discourse that Pass’d between Nic. Frog and Esquire South, which John Bull Overheard”, in Lewis Baboon Turned Honest, and John Bull Politician. Being the Fourth Part of Law is a Bottomless-Pit. […], London: […] John Morphew, […], page 30

The systems called descriptive have fewer such lumpings; the terminology which prevails in the United States today serves as an example.

1972, Wendell H. Oswalt, Other Peoples, Other Customs: World Ethnography and Its History