- rat race,
- rat snake,
- rat tamer,
- rat terrier,
- rat's nest,
- rat-bite fever,
Origin of rat-a-tat
Examples from the Web for rat-a-tat
It was probably that, with some of the shells in the rack, that made all that rat-a-tat.Sea-Hounds|Lewis R. Freeman
The other guns quickly took up the rat-a-tat; the range was sent to the other five guns.New Zealanders at Gallipoli|Major Fred Waite
A little while after they heard a rat-a-tat at the garden door.
Then they heard a rat-a-tat, and the voice of their mother calling: 'Here!
Rat-a-tat, rat′-a-tat′, n. sound of repeated knocks, as of a drumstick.
1680s, echoic, originally of a cooper hammering tubs.