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:
choke (someone) up or choke up (someone)
Meaning:
to make someone cry or become overemotional and speechless
Example:
The story of the boy's illness choked the woman up.
List of common idioms, their meanings and examples of their usage in sentences
An idiom is a group of words, or in other words, a phrase that has a meaning other than its literal meaning of the words in it.