Hypertext Webster Gateway: "thunderstorm"
From Webster's Revised Unabridged Dictionary (1913) (web1913)
Thunderstorm \Thun"der*storm`\, n.
A storm accompanied with lightning and thunder.
From WordNet (r) 1.7 (wn)
thunderstorm
n : a storm resulting from strong rising air currents; heavy
rain or hail along with thunder and lightning [syn: {electrical
storm}, {electric storm}]
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