A burst of thunder.

A long-horned beetle (Sarosesthes fulminans) whose larva bores in the trunks of oak and chestnut trees.

plural of thunderbolt beetle

plural of Thunderbird

Alternative letter-case form of thunderbird / (UK, railway) a locomotive stored at a strategic point on the network so as to be available to quickly rescue a failed train.

(computing) Mozilla Thunderbird. / (US, automotive) Ford Thunderbird.

plural of thunderegg

A roughly spherical, nodule-like geological structure, similar to a geode, that is formed within a rhyolitic lava flow.

(archaic) Third-person singular simple present indicative form of thunder

A peal of thunder; thunderclap.