Sizar
From BiblePortal Wikipedia
Webster's Dictionary [1]
(n.) One of a body of students in the universities of Cambridge (Eng.) and Dublin, who, having passed a certain examination, are exempted from paying college fees and charges. A sizar corresponded to a servitor at Oxford.
The Nuttall Encyclopedia [2]
A poor student at the universities of Cambridge and Oxford, so called from the size or allowance of food they were recipients of out of the college buttery.
