n f. (Lat. bestia). Also píast, péist q.v. n s. best, Sg. 37b6 . béist, PH 7204. g s. na biastae , Fél.² Ep. 472 , na biasta , PH 7223. n pl. béssti, Wb. 31b21 . biastai, Ériu ii 104 § 15. a pl. besti, Thes. i 4.31 . g pl. biasta, Ml. 121d8 , SR 892 , biast , LU 2157. d pl. béstib, PH 7201. péisd béisd f., IGT Decl. § 43.

(Wild) beast, monster (on applications see píast): bēist a bestia (beistia, MS.), Corm. Y 106. béssti olca doesmet fuili gl. malae bestiae, Wb. 31b21 . best gl. ferus, Sg. 37b6 . ní frí de biid foindel inna mbiasta gl. peruagatio bestiarum, Ml. 121d8 . ro láithea for bíastaib they were thrown to wild beasts, Fél. Prol. 41. fochairt . . . allaili m-beasti n-uathmair (huathmar, MS.) amail leoman `encountered some dreadful beast', RC xi 446.1 . (of a wild boar) donti dotraethfadh in bést bithgranda bedgnimach sin, ZCP vi 279.18 . búithreadh na mbiasd n-uaithbhéalda `brutes', TD 4.33 . Of fabulous monsters, dragons, water-monsters, etc.: roattaig in beist Brenaind . . . frisin beist ole `the monster besought B. . . . against the other beast', Thes. ii 335.19 (Hy. v Comm.). cenglais uad in beist . . slicht na biasta, Fél. 90.35 , 37 . luid cosin ṁbéist, ba bidg baeth, RC xxiii 304 § 3 ( LL 4008 ). gaibthi in béist assind uisci, TBFr. 229. conos-tarla i mmuir . . . ┐ nocon-faccatar biastai na hanmannai and eter na carrce, RC x 54. 6 ( LU 1884 ). cenn na biasta (piasta, v.l.), Ériu xvi 36.41 . (of magical monstrous cat) in beis[t], LU 8765 , 8766 ( FB 57 ). (of a dragon) ni ro an don beist co nderna aighedha fogalta feolscaeilti di, Grail 2040 . srotha tened . . . a belu na biasta, PH 7235. Míchéal thall ro bhuail an mbéisd, Dán Dé xxvi 56 = IGT Introd. § 63. tug tú do bhreith ar bhíasdaibh / crú re slíasdaibh eich ésgaidh, IGT Decl. ex. 1225. cuili, biasta, brecnata vermin , SR 3934. bēist ass andsam robói i nHērinn in Cet, Death-tales of the Ulster heroes 4 § 3 ( LL 14309 ). nocht do bhrataigh 'na biasd sróill (of a battle-standard), SGS iv 138 § 6.

Compd. in mbiast-chat ( a s.) monster-cat , BNnÉ 77 § 146 .