3. Vehement threatening or censure; especially, ecclesiastical denunciation; fulmination. He severely threatens such with the thunderbolt of excommunication. Hakewill.
4. (Paleon.)
Defn: A belemnite, or thunderstone. Thunderbolt beetle (Zoöl.), a long-horned beetle (Arhopalus fulminans) whose larva bores in the trunk of oak and chestnut trees. It is brownish and bluish-black, with W-shaped whitish or silvery markings on the elytra.
THUNDERBURST
Thun"der*burst`, n.
Defn: A burst of thunder.
THUNDERCLAP
Thun"der*clap`, n.
Defn: A sharp burst of thunder; a sudden report of a discharge of
atmospheric electricity. "Thunderclaps that make them quake."
Spenser.
When suddenly the thunderclap was heard. Dryden.
THUNDERCLOUD
Thun"der*cloud`, n.
Defn: A cloud charged with electricity, and producing lightning and thunder.
THUNDERER
Thun"der*er, n.