A rat is a type of rodent.* It looks like a very large mouse, but it has a thick, long tail and a long nose. Rats are common throughout the world. While they are found in nature, they thrive living alongside human beings in densely populated areas where there is poor, public sanitation. Most people regard rats as pests. They’re destructive and they can spread disease.
The word "rat" can be used to describe a person whose behavior is sneaky or dishonest:
This word (in the plural form) is also used as an expression of frustration:
*rodent: a mammal with long front teeth that constantly gnaws on vegetation. Gnawing (the constant use of the front teeth) is a necessary method of controlling the growth of the teeth.
A rat is a rodent.
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February 17, 2014