Lewis & Short

exclūsor, ōris, m. [excludo, I. B.],

  1. I. one who shuts or drives out: daemoniorum, Aug. Serm. 37, 2; id. de Verb. Dom. 2.
  2. II. Esp., a maker of silver vessels: qui de confusione massae noverunt formam vasis exprimere, Aug. in Psa. 67, § 39; id. Spir. et Litt. § 17.