See also: stas, Stas, stås, and Staś English Noun STAS (uncountable) (pathology) Initialism of spread through air spaces. Anagrams Tass, SATs, TASS, Sats, tass, Asst, asst., sats, TAS's, Ass't, ASTs, TSSA, TASsWikiwand - on Seamless Wikipedia browsing. On steroids.Remove ads