thunderhead

[ thuhn-der-hed ]
/ ˈθʌn dərˌhɛd /

noun Meteorology.

the upper portion of a cumulus cloud characterized by dense, sharply defined, cauliflowerlike upper parts and sometimes by great verticality.

Nearby words

  1. thunderbird,
  2. thunderbolt,
  3. thunderbox,
  4. thunderclap,
  5. thundercloud,
  6. thundering,
  7. thunderous,
  8. thunderously,
  9. thunderpeal,
  10. thundershower

Origin of thunderhead

An Americanism dating back to 1850–55; thunder + head

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for thunderhead



British Dictionary definitions for thunderhead

thunderhead

/ (ˈθʌndəˌhɛd) /

noun

mainly US and Canadian the anvil-shaped top of a cumulonimbus cloud
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Word Origin and History for thunderhead

thunderhead

n.

"high-piled cloud," 1861, from thunder (n.) + head (n.).

Online Etymology Dictionary, © 2010 Douglas Harper