Lewis & Short

fūsor, ōris, m. [fundo],

  1. I. a founder in metals, Cod. Just. 10, 64: ollarius, Inscr. Grut. 630, 9: aeris, Cassiod. Var. 7, 5.
  2. II. He who pours out any fluid, Hier, Eccl. 3, 8 al.