n.
Function: transitive verb
Date: 15th century
1 : to give out as fumes : EXHALE
2 : to apply steam to especially : to expose to the action of steam (as for softening or cooking)
intransitive verb
1 : to rise or pass off as vapor
2 : to give off steam or vapor
3 a : to move or travel by the agency of steam b : to move or proceed with energy or force
4 : to be angry : BOIL < steam ing over the insult>