Meaning

noun the act of moving along swiftly (as before a gale)

verb run or move very quickly or hastily

verb run before a gale

originFrom Middle English scud (“incrustation, scurf, scab, peel, shedding”), perhaps from Old Norse skjóta (“to shoot, push, throw off, shed”) (see also scoot).

Etymology from Wiktionary, CC BY-SA 3.0