Sessions ses·sions UK/ˈsɛʃənz/ US/ˈsɛʃʌnz/ fairly common noun 1. United States composer who promoted 20th century music (1896-1985) SynonymsRoger SessionsRoger Huntington Sessions Related words Broader terms composer WordNet 2.1 (Princeton University). Wiktionary (CC BY-SA). CMU Pronouncing Dictionary. WordNet 2.1 Copyright Princeton University. All rights reserved.