at the top of the hour
Definition of at the top of the hour
US
: at the beginning of the hour (at 12:00, 1:00, 2:00, etc.) The program is scheduled to start at the top of the hour.
Explore Merriam-Webster
Word by Word Definitions
: the highest point, level, or part of something : summit, crown
: a garment worn on the upper body
: the head of a plant
: of, relating to, or being at the top : uppermost
: chief, leading
: of the highest quality, amount, or degree
: to be or become higher than : overtop
: to be superior to : excel, surpass
: to gain ascendancy over : dominate
: a commonly cylindrical or conoidal device that has a tapering point on which it is made to spin and that is used especially as a toy
: a time or office for daily liturgical devotion
: canonical hour
: the 24th part of a day : 60 minutes
Seen and Heard
What made you want to look up at the top of the hour? Please tell us where you read or heard it (including the quote, if possible).
Writing? Check your grammar now!