עוּלְבַּן, עוּלְבָּנָא m. (עֲלַב) 1) = h. עֶלְבּוֹן, humiliation, insult. Targ. Zeph. III, 12 מקבל ע׳ submitting to humiliation (h. text דל). Targ. Y. Ex. III, 16. Targ. Is. XXXIV, 8; a. fr. —2) assumption of superiority, arrogance. Gitt. 36ᵇ הא פרוסבלא ע׳ דרייני הוא that institution of Prosbol (v. פְּרוֹסְבּוֹל) is an ʿulbana of the judges. Ib. האי ע׳ לישנא דחוצפא הוא או לישנא דניחותא הוא this ‘ulbana, does it mean assumption of power, or does it mean submission (i.e. submission to a law which they at heart disapprove)? [Rashi explains ניחותא convenience, i.e. an assumption of authority not from arrogance but from a desire to relieve the judges from overwork].