The Collaborative International Dictionary
valvasor
Vavasor \Vav"a*sor\, n. [OE. vavasour, OF. vavassor, vavassour,
F. vavasseur, LL. vavassor, probably contr. from vassus
vassorum vassal of the vassals. See Vassal.] (Feud. Law)
The vassal or tenant of a baron; one who held under a baron,
and who also had tenants under him; one in dignity next to a
baron; a title of dignity next to a baron.
--Burrill. ``A
worthy vavasour.''
--Chaucer. [Also written vavasour,
vavassor, valvasor, etc.]
Vavasours subdivide again to vassals, exchanging land
and cattle, human or otherwise, against fealty.
--Motley.
Wiktionary
valvasor
n. (alternative form of vavasor English)