1 blaðra
1. að, prob. an onomatopoëtic word, like Lat. blaterare, Scot. blether, Germ. plaudern, in the phrase, b. tungunni, to talk thick, Hom. 115; tungan var úti ok blaðraði, Fbr. 77 new Ed.; hann blaðraði tungunni ok vildi við leita at mæla, Fms. v. 152: metaph. to utter inarticulate sounds, bleat, as a sheep. blaðr, n. nonsense.
2 blaðra
2. u, f. a bladder, Pr. 472: a blain, watery swelling, Stj. 273, Bs. i. 182. blöðru-sótt, f. a stone in the bladder, Pr. 475.