A group of words which have a different meaning when used together from the one they would have if you took the meaning of each word separately.
Idiom:
vote of thanks
Meaning:
a speech expressing appreciation and thanks to a speaker or organizer
Example:
The speaker received a vote of thanks from the audience.
List of common idioms, their meanings and examples of their usage in sentences
An expression in the usage of a language that is peculiar to itself either in having a meaning that cannot be derived from the conjoined meanings of its elements or in its grammatically atypical use of words.