Deanery \Dean"er*y\, n.; pl. {Deaneries}. 1. The office or the revenue of a dean. See the Note under {Benefice}, n., 3. 2. The residence of a dean. --Shak. 3. The territorial jurisdiction of a dean. Each archdeaconry is divided into rural deaneries, and each deanery is divided into parishes. --Blackstone.