Extra runways Synonyms

We can't find synonyms for the phrase "Extra runways", but we have synonyms for terms, you can combine them.

ER abbreviation

ER is an abbreviation for Extra Runways
What does ER stand for?
ER stands for "Extra Runways"

Definitions for Extra


  • (adjective) being over what is needed
  • (adverb) to a great degree
  • (noun) an interchangeable part or piece of equipment that is kept on hand for replacement of an original