quarter hour
noun
Definition of quarter hour
1 : fifteen minutes
2 : any of the quarter points of an hour
3 : a unit of academic credit representing an hour of class (such as lecture class) or three hours of laboratory work each week for an academic quarter
From the M-W Editors
Examples of quarter hour in a Sentence
Trains depart every quarter hour.
I waited a quarter hour in line.
Circa 1597
First Known Use of quarter hour
circa 1597
QUARTER HOUR Defined for English Language Learners
quarter hour
noun
Definition of quarter hour for English Language Learners
-
: 15 minutes : a period of time that lasts for 15 minutes
Learn More about quarter hour
Seen and Heard
What made you want to look up quarter hour? Please tell us where you read or heard it (including the quote, if possible).
Writing? Check your grammar now!