lauter UK /laʊtə(ɹ)/US /laʊtɚ/adjective 1verb 1forms 3 adjective[before a noun]1 •Clear.The practice in the Munich brewery made it plain that the object of the drawing off of the thick mash is to completely separate the thick mash from the lauter mash. — 1905 verb1 •To subject to lautering. formslautered · lautering · lauters