Word Study
sarum use
CIDE DICTIONARY
sarum use,
A liturgy, or use, put forth about 1087 by St. Osmund, bishop of Sarum, based on Anglo-Saxon and Norman customs. [1913 Webster]
OXFORD DICTIONARY
sarum use, n. Eccl. the order of divine service used in the diocese of Salisbury before the Reformation.
Etymology
med.L Sarum Salisbury, perh. f. L Sarisburia
For further exploring for "sarum use" in Webster Dictionary Online