FRAUÐ
nafnorðhvorugkyn
n. the froth as of roasted meat or of a roasted apple; frauðit ór hjartanu, Edda 74: in mod. usage frauð (or frauðr, m.) is the dry, withered marrow of lean and half-starved animals; þeir reikna það gras sem auki frauð, Bb. 3. 47.