אָרִיחַ m. (ארח) 1) bond-timber, also small bricks, which are placed at intervals between the rows of bricks (v. Sm. Ant. s. v. Paries II); lath (of half the width of a brick). Erub. I, 3; B. Bath. 3ᵇ; a. e.—Pl. אָרִיחִין. Y. Erub. I, 19ᵃ top ארחין (corr. acc.). —2) ariaḥ, a term used in rules for writing certain passages of Holy Scriptures metrically arranged, the short space filled out with writing, opp. לבנה (brick, the larger space); v. R. Niss. to Meg. 16ᵇ; [Rashi: א׳ the writing, לבנה the blank). Y. Meg. III, 74ᵇ bot.; Bab. ib. l. c.; Treat. Sof’rim XII, 10 א׳ ע"ג ל׳ וכ׳ small brick (lath) above brick, and brick above small brick (lath); e.g. (Ex. ch. XV)ויאמרו לאמר אשירה לד׳ כי גאה גאה סוסורכבו רמה בים עזי וזמרת יה ויהי ליIb. א׳ ע׳'ג א׳ וכ׳ small brick (lath) above small brick and brick above brick; e.g. (Esth. IX, 7 sq.)פרשנדתא ואתדלפון ואת