( also fml ) and ( AmE Worcestershire Sauce ) n [ U ]
a very popular dark sauce with a strong flavour made in Worcester by the Lea and Perrins company. It was originally created in 1835 by two chemists, Lea and Perrins, in Worcester and they began commercial production of it in 1837. How it is made and exactly what it contains has always been kept a secret but it is known to contain vinegar and spices. It is widely used in cooking and often added to tomato juice as a drink.
See also Bloody Mary .