An officer in charge of the muster roll of part of an army or (less commonly) of a dockyard, penal colony, etc.; a person responsible for the accuracy of a muster roll.
Origin
Mid 16th century. From muster + master.
Definition of muster-master in US English:
muster-master
noun
historical
An officer in charge of the muster roll of part of an army or (less commonly) of a dockyard, penal colony, etc.; a person responsible for the accuracy of a muster roll.