חַלּוֹן, c. (b. h.; perforation, aperture, window. B. Bath. III, 6 ח׳ המצרית וכ׳ the Egyptian window (a very small aperture in the wall) gives no privilege (v. חֲזָקָה), i.e. the neighbor may build against it, contrad. to הצורית a Tyrian window. Gen. R. s. 31, expl. צהר (Gen. VI, 16); a. v. fr.—Pl. חַלּוֹנוֹת. Y. R. Hash. II, 58ᵃ; Ex. R. s. 15 שס"ה ח׳ וכ׳ 365 apertures did the Lord create in the sky; a. fr.