Bōn'ny-clāb'ber, n.

n. [From Ir. bainne, báine, milk, and clabar, mud, mire.] Sour buttermilk. [Irish.] Nares.

☞— It is used, in America, for any milk that is turned, or become thick in the process of souring, and applied only to that part which is thick;—sometimes called simply clabber. Bartlett.