אַרְכָא I, (ארך; cmp. אוּרְבָּא); pl. אַרְכֵי meshes, ranges, intervals. Sabb. 50ᵇ. Gitt. 69ᵇ. B. Bath. 3ᵃ, v. אוּרְבָּא.—Targ. Esth. VIII, 15 בארכוהי in its (the girdle’s) meshes.