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:
on board
Meaning:
to be on a ship or airplane or train or similar form of transportation
Example:
We got on board the airplane just before they closed the doors.
List of common idioms, their meanings and examples of their usage in sentences
An idiom is defined as - a group of words whose meaning is different from the meanings of the individual words.