adj expld. as good, etc. Prob. an inference from passage(s) containing 1 búan: Buanand . . . am buan .i. is bón .i. dendi is bonum . . . .i. maith o ulc, Corm. 6 = Corm. Y 104. See Búanann. buan .i. maith . . . buan caire as na berar om biudh, O'Dav. 220 = buanchaire as ná berar úidhbhreth, na oimbreth everlasting (?) cauldron, Ériu xiii 26.10 . do feisidear breatha buaín ┐ ambuaín, Laws iv 62.15 , glossed tairister bretha buain . . . na mban dligthech . . . buain .i. maith .i. dagban, 64.18 , 19 Comm. buain .i. ben dlighthech, etc., O'Dav. 307. fria ben .i. fri boin, fria maith, Laws ii 350.1 Comm. buan .i. bonus . . . geinid buan o ambuan, O'Curry 86 (H. 3.18, 64). buan .i. indlicced . . . ar is buan berla nadi n.a., O'Curry 153 (H. 3.18, 87a32). nī fola tódine (.i. āiremh) a būan (.i. a maithusa) (B. na f.), ZCP v 487 § 12. ? bera boin mbuain indlaeg ar eamain sair sedrada `a good in-calf cow', Laws v 60.21 Comm. ? in ben b.¤ , Metr. Dinds. iv 68. 139 . ? gabdait idain in mnái ṁbuáin, Ériu vii 223 § 36. See 2 bun.