English to English

noun (n)

• the line or plane indicating the limit or extent of something(noun.location)

  Synonym:
  bound, bounds
  

  source: wordnet30
• a line determining the limits of an area(noun.shape)

  Synonym:
  bound, edge
  

  source: wordnet30
• the greatest possible degree of something(noun.attribute)

  Synonym:
  bound, limit
  

  source: wordnet30
• That which indicates or fixes a limit or extent, or marks a bound, as of a territory; a bounding or separating line; a real or imaginary limit.(noun)

  source: webster1913