inverted hat noun2 •(nonstandard) A háček.In Russian the dentals t, d, s and the velars k, g, x become palatalized to č, ž, š […]. (The inverted hat (haček) represents palatalization.) — 1982 •(nonstandard) = breveevangeʹlical (-nj-) […] The…‘a’ has an inverted hat again; the ‘e’ and ‘i’ in ‘geli’ have inverted hats, making them short. — 1997 formsinverted hats