Definition of ER

The Meaning of ER

You have found the definitive source for the meaning of ER. This page contains all the definitions of ER, crowd sourced, moderated and curated by real people who care about the true definitions of ER.

The Top Definition of ER

The most popular meaning of ER is: Emergency Room

What Other Meanings of ER Are There?

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What is ER?

ER is Emergency Room

ER Means

The definition of ER is "Emergency Room".

ER Definition

The meaning of ER

ER means Emergency Room.

Now you understand the definition of ER - ER means "Emergency Room".

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What does ER mean? ER is an acronym, abbreviation or slang word that is explained above. If you ever forget what ER means, just come back to and we'll define any acronym you need help with.

  1. FR - For Real
  2. DER - there
  3. EF - f**k
  4. HR - Human Resources
  5. EE - electronic experience
  6. HR - hour
  7. EE - Electronic Emission
  8. EF - Fuck
  9. IR - in room
  10. EI - Eat It
  1. #1 - Number one
  2. (S) - Seriously
  3. (YN) - Fingers crossed (MSN)
  4. (_8^(I) - Homer Simpson
  5. *.* - Every file on a computer
  6. *HUG* - A Cyberhug
  7. *\O/* - Cheerleader
  8. .CO - Alternative to .COM
  9. .COM - Top level domain for commerce
  10. .GOV - Top level domain for governments