[1, 2] hallgeislat tungl hildar ‘brilliant-coloured moons of battle [SHIELDS]’: The cpd hallgeislat is a hap. leg. consisting of hallr ‘stone, jewel, colour’ and geislat (adj., n. acc. sg., p. p. of geisla ‘beam, illuminate’) ‘illuminated’ (see LP: hallgeislaðr). Hallgeislat modifies tungl (n. acc. sg.), which is used here with a pl. meaning. For the custom of painting and ornamenting shields, see Falk 1914, 143-8.