blewitPronunciation: /ˈbluːɪt/ (also blewits /ˈbluːɪts/)Definition of blewit noun an edible European mushroom with a pale buff or lilac cap and a lilac stem. Genus Lepista, family Tricholomataceae, class Hymenomycetes: several species, including common blewit (L. saeva) and wood blewit (L. nuda) Origin: early 19th century: probably from blue1blewit in other Oxford dictionaries Definition of blewit in the US English dictionary