Definitions of steam:

• noun:   water at boiling temperature diffused in the atmosphere
• verb:   emit steam

  Example: "The rain forest was literally steaming"

• verb:   cook something by letting steam pass over it

  Example: "Just steam the vegetables"

• verb:   clean by means of steaming

  Example: "Steam-clean the upholstered sofa"

• verb:   get very angry

  Example: "Her indifference to his amorous advances really steamed the young man"

• verb:   travel by means of steam power

  Example: "The ship steamed off into the Pacific"

• verb:   rise as vapor