custos
/ˈkʌ.stɒs/noun
Middle School
1
A warden.
2
A monastic superior, who, under the general of his order, has the direction of all the religious houses of the same fraternity in a given district, called a custody of the order.
3
In older forms of musical notation, an indication, at the end of a line of music, of the first note of the next line.
#obsolete