Read the dictionary definition of steam. All definitions for this word.
1. water at boiling temperature diffused in the atmosphere
2. cook something by letting steam pass over it
1. just steam the vegetables
3. clean by means of steaming
1. steam-clean the upholstered sofa
4. get very angry
1. her indifference to his amorous advances really steamed the young man
5. travel by means of steam power
1. The ship steamed off into the Pacific
6. rise as vapor
7. emit steam
1. The rain forest was literally steaming
See also:
Merriam-Webster definition of steam