'Clumper' definitions:

Definition of 'Clumper'

From: GCIDE
  • Clumper \Clump"er\, v. t. [Cf. G. kl["u]mpern to clod. See Clump, n.] To form into clumps or masses. [Obs.] [1913 Webster]
  • Vapors . . . clumpered in balls of clouds. --Dr. H. More. [1913 Webster]