BT Šab 156b(23) :דעציתה בביזעא‏ : she stuck it into the crack
See the entire entry for bzaˁ, bezˁā n.m. cracked piece

BT Šab 156b(23) :שקלה למכבנתא דעציתה בביזעא‏ : she took the cloak (and) stuck it in the crack
See the entire entry for dˁṣ vb. to thrust in

BT Šab 156b(23) :שקלה למכבנתא דעציתה בביזעא‏ : he took the m' and stuck it in the crack
See the entire entry for mkbnh n.f. wrapping