noun (n)

• a punctuation mark (/) used to separate related items of information(noun.communication)

  Synonym:
  diagonal, slash, solidus, stroke, virgule
  

  source: wordnet30
• The decimal point; the dot placed at the left of a decimal fraction, to separate it from the whole number which it follows. The term is sometimes also applied to other marks of separation.(noun)

  source: webster1913