Main Entry: shak·er

Pronunciation: \ˈshā-kər\

Function: noun

Date: 15th century

1 : one that shakes: as a : a utensil or machine used in shaking <cocktail shaker> b : one that incites, promotes, or directs action <a mover and shaker>
2 capitalized [from a dance with shaking movements performed as part of worship] : a member of a millenarian sect originating in England in 1747 and practicing celibacy and an ascetic communal life

— Shaker adjective

— Shak·er·ism \-kə-ˌri-zəm\ noun