from Wiktionary, Creative Commons Attribution/Share-Alike License
- v. Present participle of upboil.
Sorry, no etymologies found.
About half a mile down the beach, at a spot still hidden from us by the thicket, an upboiling of the birds showed where the men were still (with sailor-like insatiability) collecting eggs.
Above these and a little back of them was a series of upboiling purple clouds, and high above all, in the background, a range of noble cumuli towered aloft like snow-laden mountains, their pure pearl bosses flooded with sunshine.