Also found in: Dictionary, Thesaurus, Wikipedia.
Related to bay rum: bay rum tree
bay rum,aromatic liquid used chiefly as a cosmetic and a perfume. It originated in the West Indies, where it was prepared by distillation from rum and bay leaves. It is now commonly a mixture of oil of bay (from a bayberry), alcohol, water, oil of pimento, and oil of orange peel.
bay rum[¦bā ′rəm]
A product originally prepared from the distillation of rum and water mixed with bayberry (Pimenta acris) leaves but now made from a mixture of bay oil, orange oil, pimenta oil, alcohol, and water; used in shaving lotions and alcohol rubs.
1. an aromatic liquid, used in medicines and cosmetics, originally obtained by distilling the leaves of the bayberry tree (Pimenta racemosa) with rum: now also synthesized from alcohol, water, and various oils
2. bay rum tree another name for bayberry