See also: SMAS, sma's, smás, and Smaś English English Wikipedia has an article on:SMAsWikipedia Noun SMAs pl (plural only) Abbreviation of spinal muscular atrophies. Noun SMAs plural of SMA Anagrams MSAs, mass, Mass., ASMs, Sams, SAMs, Mass, sams, MSSA, SMSA, ASMSWikiwand - on Seamless Wikipedia browsing. On steroids.Remove ads