עֲשָׁשִׁית f. (v. אָשַׁשׁ a. עֶשֶׁת) 1) ע׳ של ברזל wrought iron, bar, ball.—Pl. עֲשָׁשִׁיּוֹת. Yoma 34ᵇ ע׳ של ברזל וכ׳ lumps of wrought iron were heated for the high priest on the eve of the Day of Atonement; Tosef. ib. I, 20 (Var. עששית); Y. ib. III, 40ᶜ עֲשָׁשׁוֹת. Ab. Zar. 16ᵃ אין מוכרין להם ע׳ וכ׳ we must not sell them (the Romans) iron bars, … because they forge arms out of them (expl. פרזלא הינדואה, v. הִינְדָּוָא). Snh. 108ᵇ יש לנו ע׳ וכ׳ we have iron plates with which we can pave the ground (to prevent water coming up). —2) (v. אֶשֶׁשׁ) glass ball, crystal, reflector, lantern. Ber. 25ᵇ בע׳ covered with a translucent substance. Ib. 53ᵃ ע׳ שהיתה דולקת וכ׳ a lantern which has been burning the whole day (of the Sabbath); Y. ib. VI, 12ᵇ bot. R. Hash. 24ᵃ ראינוהו בע׳ we have seen the reflection of the moon in a crystal, v. אֶשֶׁשׁ; a. e.—Pl. as ab. Sabb. 154ᵇ היתה בהמתו … וע׳ if his beast is laden with … glass lumps, expl. ib. בבולסא, v. בּוּלְסָא.