A sound similar to a series of quickly repeated knocks. (Cambridge Dictionary)
A toy that makes a noise like a series of knocks. (Cambridge Dictionary)
To make a rapid succession of short sharp noises. (Merriam – Webster)
To chatter incessantly and aimlessly. (Merriam – Webster)
To move with a clatter or rattle. (Merriam – Webster)
To be or move about in a place or station too large or grand. (Merriam – Webster)
Make or cause to make a rapid succession of short, sharp knocking sounds. (Oxford Dictionaries)
When something rattles or when you rattle it, it makes short sharp knocking sounds because it is being shaken or it keeps hitting against something hard. (Collins Dictionary)
Squeak & rattle testing.
Squeak and rattle are all noises created by parts installed in a way that they interact to create annoying sounds.
Rattle meaning in Cambridge.