batteler

from The Century Dictionary.

• noun A student at Oxford indebted in the college-books for provisions and drink at the buttery.
• noun One of a rank or order of students at Oxford below commoners; a poor student.

from the GNU version of the Collaborative International Dictionary of English.

• noun A student at Oxford who is supplied with provisions from the buttery; formerly, one who paid for nothing but what he called for, answering nearly to a sizar at Cambridge.