gleeman (pg. 323) -- an itinerant performer in the Middle Ages.
lavish in her panegyric (pg. 471) -- Formal or elaborate praise.
quondam sweet little child (pg. 566) -- At one time, formerly.
carious teeth (pg. 58) -- Affected with cavities or decay.
Harridan (pg. 60) -- A woman regarded as scolding and vicious.
Fribble (pg. 60) -- A frivolous person.
recreant knight (pg. 66) unfaithful to duty or allegiance, cowardly.
vinaigrette (pg. 146) -- A small decorative bottle or container with a perforated top, used for holding an aromatic preparation such as smelling salts.
brangle (pg. 181) -- A wrangle; a squabble; a noisy contest or dispute.
Although it IS listed in the table of contents, I didn't discover the glossary until I finished the book. I had complained bitterly during the reading...
petechiae (pg. 15) -- Little red spots on the skin.