dictionaries
  Acronym Finder
  The American Heritage Dictionary of the English Language
  The American Heritage Dictionary Online - only to look at it!
  Merriam - Webster's Collegiate Dictionary - p
  Merriam - Webster's Collegiate Dictionary - e
  Webster's Third New International Dictionary
  Random House Webster's Unabridged Dictionary
  WORD-ONLINE - TERM-ONLINE
 
yourdictionary.com