1 occurrence in 1 dictionary
Reference: Fuller's soap
Easton
(Heb borith mekabbeshim, i.e., "alkali of those treading cloth"). Mention is made (Pr 25:20; Jer 2:22) of nitre and also (Mal 3:2) of soap (Heb borith) used by the fuller in his operations. Nitre is found in Syria, and vegetable alkali was obtained from the ashes of certain plants. (See Soap.)