Thunderous
Pronunciation : Thun"der*ous
Part of Speech : a.
Etymology : [Written also thundrous.]
Definition : 1. Producing thunder. [R.] How he before the thunderous throne doth lie. Milton.
2. Making a noise like thunder; sounding loud and deep; sonorous. -- Thun"der*ous*ly, adv.
Source : Webster's Unabridged Dictionary, 1913