Meaning of CLUMP in English
noun a cluster; a group; a thicket.
2. clump ·noun the compressed clay of coal strata.
3. clump ·vi to tread clumsily; to clamp.
4. clump ·noun an unshaped piece or mass of wood or other substance.
5. clump ·vt to arrange in a clump or clumps; to cluster; to group.
Webster English vocab. Английский словарь Webster. 2012