Idioms
The language peculiar to a people or to a district, community, or class
Idiom:
at the top of the hour
Meaning:
at the beginning of the hour - 12:00, 1:00 etc. (at the top of a clock)
Example:
The radio news always starts at the top of the hour.
List of common idioms, their meanings and examples of their usage in sentences
Idioms are phrases which cannot be understood simply by looking at the meaning of the individual words in the phrase.