Idioms
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:
put one's nose to the grindstone
Meaning:
to keep busy doing one's work
Example:
I put my nose to the grindstone and worked all weekend on my history essay.
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.