Subaltern, in the Army, is an officer below the rank of captain—i.e. a lieutenant or sub-lieutenant.
Subaltern
Chambers's Encyclopaedia, Volume 9: Bound to Swansea, p. 776
Source scan(s): p. 0795
Subaltern, in the Army, is an officer below the rank of captain—i.e. a lieutenant or sub-lieutenant.