Birch wine

wine made of the spring sap of the birch.
See under Birch, Cape, etc.

See also: Birch, Wine

Webster's Revised Unabridged Dictionary, published 1913 by G. & C. Merriam Co.
References in periodicals archive ?
Queen Victoria suffered so badly from the affliction that she was driven to drink silver birch wine, made from rising sap, believing it would cure her.