1. a thick group or mass of things growing or held together
2. a heavy, dull sound made by something hitting the ground

1. to walk with heavy, noisy steps
2. to form or gather into a thick group or mass

Examples

• A clump of trees provided shade in the field.
• She noticed clumps of hair in the drain.
• The book fell with a loud clump.
• He clumped up the stairs in his heavy boots.
• The wet sand clumped together in her hands.
• Birds clumped around the feeder.
• There was a clump of weeds growing by the fence.