Sarum use

Sarum use

n
(Ecclesiastical Terms) the distinctive local rite or system of rites used at Salisbury cathedral in late medieval times

Sar′um use`

(ˈsɛər əm)
n.
the liturgy or modified form of the Roman rite used in Salisbury before the Reformation.
[1560–70; after Sarum (now Old Sarum), a medieval ecclesiastical center]