Meaning

noun precipitation of ice pellets when there are strong rising air currents

noun many objects thrown forcefully through the air

noun enthusiastic greeting

originFrom Middle English hayle, haile, hail, hawel, haghil, haȝel, from Old English hæġl, hæġel, hagol (“hail”), from Proto-West Germanic *hagl, from Proto-Germanic *haglaz, of uncertain origin. Either from Proto-Indo-European *kagʰlos (“pebble”); or alternatively from *ḱoḱló-, a reduplication of *ḱel- (“cold”). Cognate with Saterland Frisian Hail (“hail”), West Frisian heil (“hail”), Low German Hagel…

Etymology from Wiktionary, CC BY-SA 3.0