1. An unshaped piece or mass of wood or other substance.

2. A cluster; a group; a thicket. A clump of shrubby trees. Hawthorne.

3. The compressed clay of coal strata. Brande & C.

CLUMP
Clump, v. t.

Defn: To arrange in a clump or clumps; to cluster; to group.
Blackmore.

CLUMP
Clump, v. i.

Defn: To tread clumsily; to clamp. [Prov. Eng.] Halliwell.

CLUMPER
Clump"er, v. t. Etym: [Cf. G. klümpern to clod. See Clump, n.]

Defn: To form into clumps or masses. [Obs.]
Vapors . . . clumpered in balls of clouds. Dr. H. More.

CLUMPS
Clumps, n.