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.
Thun"der*burst` (?), n. A burst of thunder.
Thun"der*clap` (?), n. 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.
Thun"der*cloud` (?), n. A cloud charged with electricity, and producing
lightning and thunder.
Thun"der*er (?), n. One who thunders; — used especially as a
translation of L. tonans, an epithet applied by the Romans to several
of their gods, esp. to Jupiter.
That dreadful oath which binds the Thunderer.
Pope.
Thun"der*fish` (?), n. (Zoöl.) A large European loach (Misgurnus
fossilis).
Thun"der*head` (?), n. A rounded mass of cloud, with shining white
edges; a cumulus, — often appearing before a thunderstorm.
Thun"der*ing, a. 1. Emitting thunder.
Roll the thundering chariot o'er the ground.
J. Trumbull.