Subaltern

1.

A person holding a subordinate position; specifically, a commissioned military officer below the rank of captain.

2.

A subaltern proposition.

1.

Ranked or ranged below; subordinate; inferior; specifically (Mil.), ranking as a junior officer; being below the rank of captain; as, a subaltern officer.

2.

Asserting only a part of what is asserted in a related proposition.