n o, m (1 cath + 1 barr) helmet; head-dress, diadem : c.¤ gl. galea, Gild. Lor. 99 . a galia capitis rohainmniged .i. c.¤ a c[h]ind, Corm. Y 683 . c.¤ óir, Metr. Dinds. iii 260.21 . a ch.¤ círach (of Cú Chulainn), LU 6392 (TBC). claidemh, cletine, cathbharr, Ériu xiii 30.16 . co tri ciraib comard cathbairr `helmet-crests', TTebe 1452 . ronuaglanaid cathbarra, 1273 . or ceard ar a gcathbharraibh, DDána 100.17 . ro gherr a chathbarra (sic) caem . . . cumhdaigh `protecting helmet', Stair Erc. 735 . oc taraing in catbairr orda día cind (of lady's diadem), LU 4228 . rogabad cathbharr solusta cona gemaibh gloinighi ima cend, ZCP xiii 170.x . amal c.¤ cumtachta nó mind ríg (of canopy), LU 2015 . ccthe c.¤ nogabtha forsind cetul `that this should be set as a crown upon the chant' (of Magnificat), Mon. Tall. 127.13 . c.¤ coróni na cathrach nemda, LB 139a3 . cathbharr slinntrigh do crannaibh roof(?) (of palace), Celtica ii 125.175 . Of caul of infant: ba doig ropdís torathair, fo bíthin no bītis a cathbairr fō cennaib, ZCP xii 273.15 . brissis in tond in c.¤ , 18 (= sreabann, IT iii 189.22 ). Transf. of persons protector: M. . . . cain c.¤ , Fél. Jan. 10 . immon c.¤ . . . / immon rīg réil, Bruchst. i 54 § 120 . Crīst c.¤ cāich, ZCP viii 199.8 .

As n. pr.: mac Cathbhairr Ui Domhnaill, AFM ii 834.14 .