n [ā, f.] (Bretain ?) also brethnas. brooch, pin : b.¤ .i. brat-nas, arindí aranaisc brat, O'Mulc. 141. brethnais .i. delg, . . . .i. inní sníes trena brat .i. a dealg `brooch', O'Dav. 315. b.¤ arnaisc a brat ime, O'D. 975 (H. 3.17, 679e). breathnas .i. dealg. ó bhratnasc tig, oir as ionann nasc ┐ ceangal, O'Cl. b.¤ bānōir dā uṅga ndēc, Corm. Y 141 = bretnasc etc., Corm. 7. b.¤ argit co mbrephnib óir inna brut, LU 1809 (ICM). téora bretnassa órdai inna mbrattaib, 7249 (BDD). sreth . . . di bretnasaib óir ┐ argit, 1709 (ICM). do imdidnad a mbratnas (a b.¤ , LU), TBC-I¹ 245. bretnass (breatnais v.l.) gelairgit i timthach in bruit `a brooch' RC lxxiv 200.4 . b.¤ torrach trencend sin brutt osa brunni, TBC-LL¹ 205. brettnas, 5426 . cumtaige ┐ brettnasa óir ┐ argait, LL 2023. étaige ┐ timthaige ┐ brethnasa, TTr.² 889.