سَبَّاكٌ

[ A melter and purifier and caster, or one who makes سَبَايءِك, of gold, or silver, or the like.

Hence,] هُوَ سَبَّاكٌ لِلْكَلَامِ a tropical phrase [apparently meaning (tropical:) He is a trier, or tester, or a purifier, of speech, or language: see 1]. (TA.)