[ rey-ter ]
/ ˈreɪ tər /


a person who makes rates or ratings.
a person or thing that is of a specific rating (usually used in combination): The show's star is a first-rater.
Slang. any of various small, popular yachts belonging to standard classes.

Origin of rater

First recorded in 1605–15; rate1 + -er1
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

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