TgO Num19:15 :וְכֹל מָן דַחסַף פְתִיַח דְלֵית מְגֻופַת שִיָע מַקַף עֲלוֹהִי‏ : every open clay vessel that has no wax sealing attached
See the entire entry for mgwph n.f. lid, seal

TgO Num19:15 :
See the entire entry for šyāˁ, šyāˁā v.n. sealing clay