Definitions
1.nounA confused disordered jumble of things.
2.nounBackground echoes, from clouds etc., on a radar or sonar screen.
3.nounA group of cats; the collective noun for cats.
4.nounClatter; confused noise.
5.verbTo fill something with clutter.
6.verbTo clot or coagulate, like blood.
7.verbTo make a confused noise; to bustle.
8.verbTo utter words hurriedly, especially (but not exclusively) as a speech disorder (compare cluttering).