, es; m. A staff used by a cantor (v. preceding word)] :-- III. canterstafas III. baculi cantorum (baculi quibus in ecclesia utebantur cantores, Migne), Cht. Th. 429, 23.
Cite the scanned version of the original dicionary like this:
Toller, T. Northcote, and Joseph Bosworth. "canter-stæf." An Anglo-Saxon Dictionary: Based on the Manuscript Collections of the Late Joseph Bosworth : Supplement. Oxford: Clarendon Press, 1921. 116.