A sky filled with rows of cirrocumulus or small altocumulus clouds.

Roget 353: bubble, foam, froth, head, spume, lather, suds, spray, surf, yeast, barm^†, spindrift.    cloud, vapor, fog, mist, haze, steam, geyser; scud, messenger, rack, nimbus; cumulus, woolpack^†, cirrus, stratus; cirrostratus, cumulostratus; cirrocumulus; mackerel sky, mare's tale, dirty sky; curl cloud; frost smoke; thunderhead.    [Science of clouds] nephelognosy^†; nephograph^†, nephology^†.    effervescence, fermentation; bubbling etc. v.. nebula; cloudliness etc. (opacity) 426^†; nebulosity etc. (dimness) 422.    ... show more

Roget 440: variegation; colors, dichroism, trichroism; iridescence, play of colors, polychrome, maculation, spottiness, striae.    spectrum, rainbow, iris, tulip, peacock, chameleon, butterfly, tortoise shell; mackerel, mackerel sky; zebra, leopard, cheetah, nacre, ocelot, ophite^†, mother-of-pearl, opal, marble.    check, plaid, tartan, patchwork; marquetry-, parquetry; mosaic, tesserae^†, strigae^†; chessboard, checkers, chequers; harlequin; Joseph's coat; tricolor.    ... show more