1 water rat | Definition of water rat

water rat

noun

Definition of water rat

1 : a rodent that frequents water
2 : a waterfront loafer or petty thief

First Known Use of water rat

15th century, in the meaning defined at sense 1

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More from Merriam-Webster on water rat

Rhyming Dictionary: Words that rhyme with water rat

Britannica.com: Encyclopedia article about water rat