steam heat steam·heat uncommon noun (1) verb (1) noun 1. a heating system in which steam is generated in boilers and piped to radiators Synonymssteam heatsteam heating verb 1. heat by means of steam Related words Word family steam-heatsteam heating Broader terms heating systemheat WordNet 2.1 (Princeton University). WordNet 2.1 Copyright Princeton University. All rights reserved.
