n f. Also aircheist. n s. airchess, Metr. Dinds. iv 122.25 . airceist, ML 162.8 . a s. airrcis, Dinds. 93 . airrcheisd, ALC i 384.y . g s. airchisse, ZCP viii 310.38 . d s. airrceis, LU 1354 . airrc[h]eist, Ériu xi 48.29 . a p. aircéssa, Alex. 863 . d p. arrchesaib, H 3.18 541a10 . For unlenited c in Mod. Ir. see Duan. F. Gloss . (aircisid). See also Vendr. Lex., Lochlann ii 209 and Ériu xix 111 .

(a) act of trapping; trap, snare: arc[h]es .i. ab arceo .i. ōn c[h]umgach .i. īarsinnī doimairg innī tēit ind (innte v.l.), Corm. Y 15 . caite deochuir itir seilg fiadach ┐ airnelaib ┐ airrchesaib . . . sealg .i. for aighib, fiadach for milaip muighib, ┐ airrchesaib for mucaib allta ┐ arnelai for enaib, H 3.18, 541a10 ( Auraic. 113 ). is e cétna ro indlestar airrcis ┐ cuithig ar tús i nErind, Dinds. 93 ( RC xvi 44.7 ). do a.¤ AR to entrap, ambush: doluid side do hairchis ar fiadrad, ZCP viii 310.39 . doluidh C. . . . d'airrc[h]eist ar Lomma gur marbsat hé C. went to ambush L., Ériu xi 48.29 . ba himhecal leis D. . . . do airrceiss for a chind that D. would lay a trap for him, RC xx 52.24 .

(b) encounter, meeting: dá ndiultadh m'oirchis-se, DDána 11.30 . T. do ghabhail go holc leis na Saxanachaib tareis arrcisse do chur air ┐ a thiachtain 'n-a ceann leis an arrcis sin safe conduct, appointment for a meeting(?), AU iii 602.20 . do-beir a.¤ AR encounters, engages: adcuas do mac F. . . . innsin go ttucc airrchis orra (= tuc airrcheisd, ALC i 384.y . arrchest, Ann. Conn. 1249.5 ) `marched to meet them', AFM iii 332.16 . tuc Muiredach . . . aircis ar tossach na tren-sluag, Celt. Rev. iv 212.5 . ag tabairt aircissi ar anam a fir posda fen meeting her husband's soul, BCC 228.11 . minic dorad ingean óg / airchis ar neach a n-allód `put her spells', Miscell. Celt. Soc. 410.24 . téit (or other vb. of motion) i n-a.¤ X goes to meet x; pursues x: do luid . . . a Tracia i nairchis a muintiri, Laws i 22.1 Comm. tainicc ina n-airrcis . . . dochum an puirt, BNnÉ 70 § 118 . eirgitt uile 'na n-airrceis they rise and go to meet them, 269 § 240. do chúaid ind airrcis A., ITS xvi 60.29 . rith sé ina airicis, GJ vii 108a5 . adubairt ris mo long do tabairt i m'aircis go cúan Cuili `to meet me', Celt. Rev. iv 10.23 . ro chingseat . . . hi ccoinne ┐ hi ccert airrcis an tslua[i]gh, AFM iv 1214.13 . do cuaidh in airchis na ccreach go ttarla na ccenn é `in pursuit of', AFM iii 452.21 . tángatar tromsluagh Tuadmuman gu tindesnach na taobairrchist `in vehement pursuit' Caithr. Thoirdh. 90.9 .

(c) Gramm. in phr. innscne airchisi i.e. a conjugated prep. differing in gender from the noun to which it refers when separated from it by other words: ata conchlann gan úidh air / fá comthrom lúidh is lámhuigh, lochdach munab cóir d'innscni airchisi (the difficulty is apparently that `air' refers to `conchlann' which is fem.), IGT Decl. ex. 530 . fúair coma nach creite a méd / ní ḟéd dola seici súd, lochtach acht munab cóir d'innscne airchisi (here f. seici refers to m. coma), ex. 234 .