I. ˈsüm noun
( -s )
Etymology: probably alteration of sum (I)
1. Irish & Scotland : the area of pastureland that will maintain one cow or a fixed number of other stock
2. Scotland : the number of cattle or other stock that can be pastured on a determined amount of land
II. transitive verb
( -ed/-ing/-s )
Scotland : to examine (land held in common) in order to determine the number of cattle or other stock that can be pastured