What is the meaning of Vassal?

The grantee of a fief, a subordinate granted use of a superior's land and its income in exchange for vows of fidelity and homage and (typically) military service.

Any direct subordinate bound by such vows to a superior.

Any subordinate bound by similar close ties.

Resembling a vassal; slavish; servile.

To treat as a vassal or to reduce to the position of a vassal; to subject to control; to enslave.

To subordinate to someone or something.

vassal

a vassal

instrumental singular of vas

A feudal retainer, who is obliged to render military service.

A servant to one’s beloved, professed lover.

As surname.

vassal

Source: wiktionary.org