i Register
In some senses, clump is marked as UK. Watch for register when choosing this word.
ADJ
great, large | little, small
dense
The forest floor was covered with dense clumps of moss and fallen leaves.
straggling, tangled
VERB + CLUMP
form
PREP
in a/the ~
The children played hide-and-seek in a clump of bushes near the playground.
~ of
There were several clumps of tall grass growing along the edge of the pathway.