Search Result for "hailstone": 
Wordnet 3.0

NOUN (1)

1. small pellet of ice that falls during a hailstorm; 



The Collaborative International Dictionary of English v.0.48:

Hailstone \Hail"stone`\ (-st[=o]n`), n.
   A single particle of ice falling from a cloud; a frozen
   raindrop; a pellet of hail.
   [1913 Webster]


WordNet (r) 3.0 (2006):

hailstone
    n 1: small pellet of ice that falls during a hailstorm