[ kap-i-tl ]
See synonyms for Capitol on
  1. the building in Washington, D.C., used by the Congress of the U.S. for its sessions.

  2. (often lowercase) a building occupied by a state legislature.

  1. the ancient temple of Jupiter at Rome, on the Capitoline.

  2. the Capitoline.

Origin of Capitol

An Americanism first recorded in 1690–1700; from Latin capitōlium, the name of the temple of Jupiter on Capitoline hill, Rome, taken to be a derivative of caput “head”; replacing Middle English capitolie, from Old North French

confusables note For Capitol

See capital1.

Words that may be confused with Capitol

Words Nearby Capitol Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

How to use Capitol in a sentence

British Dictionary definitions for Capitol


/ (ˈkæpɪtəl) /

    • another name for the Capitoline

    • the temple on the Capitoline

  1. the Capitol the main building of the US Congress

  1. Also called: statehouse (sometimes not capital) (in the US) the building housing any state legislature

Origin of Capitol

C14: from Latin Capitōlium, from caput head

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