جصّص He plastered a building with جِصّ [or gypsum]: (Mgh, Ḳ:) or he made a house therewith: (Mṣb:) i. q. قَصَّصَ, (Ṣ, TA,) which is of the dial. of El-Ḥijáz. (TA.)

جِصٌّ (Ṣ, Mgh, Mṣb, Ḳ) and جَصٌّ (Ṣ, Mgh, Ḳ,) but the former is the more chaste: (TA, from an Expos. of the Fṣ:) the latter is disapproved by IDrd, and disallowed by ISk; (TA;) and it is said in the Bári', on the authority of AḤát, that the latter is the form used by the vulgar, and the former is that which is correct: (Mṣb:) [Gypsum; a certain substance] with which one builds, (Ṣ,) or plasters; (Mgh;) well known: (Mṣb, Ḳ:) arabicized; (Ṣ, Mgh, Mṣb, Ḳ;) because ج and ص do not occur in any Arabic word; (Mṣb;) or, accord. to AZ, there are some [Arabic] words in which they both occur, as has been mentioned in art. اجص: from كَجْ (Mgh, Ḳ, [in the CK كَچْ]) or, as some say, گَچْ; which are Persian: (TA:) in the dial. of the people of El-Ḥijáz, قصّ [i. e.قِصٌّ or قَصٌّ]. (Lth, TA.) [The n. un. is with ة {جِصَّةٌ}: see art. قص.]

جَصَّاصٌ A preparer of جِصّ [or gypsum]. (Ṣ, Ḳ.)

جَصَّاصَاتٌ [pl. of جَصَّاصَةٌ] Places in which جِصّ [or gypsum] is made. (Ḳ.)