thunderbird
thun·der·bird
noun
Origin
The railway sense is derived from the 1960s TV series Thunderbirds, about a secretive high-tech rescue organization, ultimately from thunderbird.
Related words
Broader terms
WordNet 2.1 (Princeton University). Wiktionary (CC BY-SA). CMU Pronouncing Dictionary. WordNet 2.1 Copyright Princeton University. All rights reserved. Wiktionary content is available under the Creative Commons Attribution-ShareAlike Licence.