جَبَّاسَةٌ
The place of
جِبْس; [i. e., in which gypsum is found, or prepared;] as also مجبَّسة [i. e.
مُجَبَّسَةٌ, or, more probably, it is a mistranscription, for
مَجْبَسَةٌ, like مَحْصَاةٌ (originally مَحَصَيَةٌ) and مَبْقَلَةٌ &c.]. (TA.)