[1] : The Collaborative International Dictionary of English v.0.48

vassal \vas"sal\, n. f., fr. ll. vassallus, vassus; of celtic
   origin; cf. w.  corn. gwas a youth, page, servant, arm. gwaz
   a man, a male. cf. valet, varlet, vavasor.
   1913 webster
   1. feud. law the grantee of a fief, feud, or fee; one who
      holds land of a superior, and who vows fidelity and homage
      to him; a feudatory; a feudal tenant. --burrill.
      1913 webster

   2. a subject; a dependent; a servant; a bondman; a slave.
      "the vassals of his anger." --milton.
      1913 webster

   rear vassal, the vassal of a vassal; an arriere vassal.
      1913 webster
see also:
valet varlet vavasor rear vassal 

Vassal >> V Words
Vassal, definition of term: Vassal
vassal_pag1.html

Rear >> R Words
Rear, definition of term: Rear
rear_pag1.html

Rear Back >> R Words
Rear Back, definition of term: Rear Back
rear+back_pag1.html

Rear Admiral >> R Words
Rear Admiral, definition of term: Rear Admiral
rear+admiral_pag1.html