[ pil-boks ]
/ ˈpɪlˌbɒks /


a box, usually shallow and often round, for holding pills.
a small, low structure of reinforced concrete, enclosing machine guns, and employed as a minor fortress in warfare.
a small, round, brimless hat with straight sides and a flat top, worn especially by women.


Nearby words

  1. pillaret,
  2. pillars of fauces,
  3. pillars of fornix,
  4. pillars of hercules,
  5. pillars of islam,
  6. pillbug,
  7. piller,
  8. pillhead,
  9. pillie,
  10. pillion

Origin of pillbox

First recorded in 1720–30; pill1 + box1

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

Examples from the Web for pillbox

British Dictionary definitions for pillbox


/ (ˈpɪlˌbɒks) /


a box for pills
a small enclosed fortified emplacement, usually made of reinforced concrete
a small round hat, now worn esp by women
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 pillbox



also pill-box, "box for holding pills," 1730, from pill (n.) + box (n.). As a small round concrete machine gun nest, it came into use in World War I. As a type of hat, attested from 1958.

Online Etymology Dictionary, © 2010 Douglas Harper