נִיר IV, (v. preced.; cmp. jugum a. ζυγόν, v. Sm. Ant. s. v. Tela) cross-beam of the loom, also the cross-rod under the cross-beam (liciatorium) to which the ends of the leashes are fastened; trnsf (mostly pl.) נִירִים, נִירִין the leashes or thrums to which the threads of the warp are fastened; also the warp. Gen. R. s. 94, v. פָּתַל. B. Kam. 119ᵇ אין לוקחין … ולא נ׳ you must not buy from the weaver remnants of woof or of warp threads. Kel. XXI, 1 הנוגע בנ׳ … he who touches the upper beam … or the rods, contrad. to קֵירוֹס.—בית נ׳ that portion of the web produced by passing the spool with the woof across the warp, mesh, slip. Sabb. XIII, 2 (105ᵃ) העושה שני בתי נ׳ בנִירַיִּים וכ׳ Ms. M. (ed. בנירין) he who starts a web by making two meshes, attaching them either to the cross-pieces or to the slips (קֵירוֹס). Ib. 105ᵃ ברוחב ג׳ בתי נ׳ within a distance of three meshes; (Tosef. ib. XII (XIII), 1 על ג׳ בתים). Y. ib. VII, 10ᶜ שני נ׳ בחף … בניר אחד two sets of warp threads fastened to one old border web (licium) or two borders fastened to one set of warp threads. Shek. VIII, 5 על ע"ב נ׳ וכ׳ Ms. M. a. Ar. (ed. נימין; v. Rabb. D. S. a. l., p. לד, note) the curtain was woven on seventy-two leashes, and each twist of the warp (נִימָה) contained twenty four threads; Ḥull. 90ᵇ; Tam. 29ᵇ נימין; Num. R. s. 4 נימין; Tanḥ. Vayaḳh. 7 נימין; ed. Bub. 10 נירים.