עוֹבִי, thickness, diameter. Y. Ber. I, 2ᶜ bot. עוֹבְיוֹ של רקיע וכ׳ the thickness (diameter) of the heavens is equal to a journey of 500 years; עוֹבְיָהּ של ארץ the diameter of the earth; Gen. R. s. 4; Pes. 94ᵃ. Gen. R. s. 42 בעל קורה טעין בעוביה the owner of the beam must put his shoulder to the thickest part of it; Ber. 64ᵃ בעָבְיָהּ וכ׳, v. כַּאַן. Tanḥ. Sh’moth 3 נותן עביה של תקרה זו בצד ראשה וכ׳ he places the thick side (trunk) of one beam by the side of the top (the thinner part) of the other beam; Ex. R. s. 1. Ohol. XVI, 1 בע׳ המרדע measured by the diameter of the handle of a plough; Sabb. 17ᵃ מרדע שאמרו אין בעָבְיוֹ וכ׳ the handle of which they speak is less than a handbreadth in diameter, but is a handbreadth in circumference; a. e.