noun (n)

• a canvas shoe with a pliable rubber sole(noun.artifact)

  Synonym:
  gym shoe, tennis shoe
  

  source: wordnet30
• someone acting as an informer or decoy for the police(noun.person)

  Synonym:
  canary, fink, sneak, snitch, snitcher, stool pigeon, stoolie, stoolpigeon
  

  source: wordnet30
• One who sneaks.(noun)

  source: webster1913
• Shoes with rubber or other soft soles which give no warning of one's approaching, esp. such shoes as are worn in games, as tennis.(noun)

  source: webster1913