helldiver

/ˈhɛlˌdaɪvər/
noun
  1. A small diving bird, also called the pied-billed grebe, known for its ability to dive underwater suddenly.
    • Birdwatchers call the pied-billed grebe a helldiver because of its quick dives.
    • We spotted a helldiver disappear beneath the lake's surface.
    • The helldiver is a shy bird that often hides among reeds.
  2. A type of military dive bomber aircraft, especially the Curtiss SB2C Helldiver used in World War II.
    • Crew members respected the Helldiver for its rugged design.
    • The Helldiver was a key dive bomber for the U.S. Navy in the Pacific.
    • A vintage Helldiver is on display at the aviation museum.
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