Thunderbird

//ˈθʌndə.bɜːd// name, noun

name, noun ·Uncommon ·Advanced level

Definitions

Noun
  1. 1
    A mythological bird, often associated with stormy weather, especially in various indigenous North American mythologies.

    "A man there was, grim his expression, just like a Thunderbird his features were frightening."

  2. 2
    Alternative letter-case form of thunderbird. alt-of
  3. 3
    (mythology) the spirit of thunder and lightning believed by some Native Americans to take the shape of a great bird wordnet
  4. 4
    The golden whistler, an Australian insectivorous songbird (Pachycephala pectoralis, formerly Pachycephala gutturalis), whose male is conspicuously marked with black and yellow, and has a black crescent on the breast.
  5. 5
    A locomotive stored at a strategic point on the network so as to be available to quickly rescue a failed train. UK
Proper Noun
  1. 1
    Mozilla Thunderbird.
  2. 2
    Ford Thunderbird. US

Example

More examples

"The Mozilla Foundation released the latest version of its email/news-client software, "Thunderbird 2.0.0.14" on May 1st."

Etymology

Etymology 1

From thunder + bird.

Etymology 2

The railway sense is derived from the 1960s TV series Thunderbirds, about a secretive high-tech rescue organization, ultimately from thunderbird.

Related phrases

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.