noun (n)

• New Zealand runner who in 1975 became the first person to run a mile in less that 3 minutes and 50 seconds (born in 1952)(noun.person)

  Synonym:
  john walker
  

  source: wordnet30
• United States writer (born in 1944)(noun.person)

  Synonym:
  alice malsenior walker, alice walker
  

  source: wordnet30
• a person who travels by foot(noun.person)

  Synonym:
  footer, pedestrian
  

  source: wordnet30
• a shoe designed for comfortable walking(noun.artifact)

  source: wordnet30
• a light enclosing framework (trade name Zimmer) with rubber castors or wheels and handles; helps invalids or the handicapped or the aged to walk(noun.artifact)

  Synonym:
  zimmer, zimmer frame
  

  source: wordnet30
• an enclosing framework on casters or wheels; helps babies learn to walk(noun.artifact)

  Synonym:
  baby-walker, go-cart
  

  source: wordnet30
• One who walks; a pedestrian.(noun)

  source: webster1913