noun Computers.

a small paper disk or square formed when a hole is punched in a punch card or paper tape.

Nearby words

  1. chacma,
  2. chaco,
  3. chacoan peccary,
  4. chaconne,
  5. chacun à son goût,
  6. chad, lake,
  7. chadarim,
  8. chadderton,
  9. chaddock sign,
  10. chadian

Origin of chad

First recorded in 1945–50; origin uncertain




Lake, a lake in Africa at the junction of four countries: Cameroon, Chad, Niger, and Nigeria. 5000 to 10,000 sq. mi. (13,000 to 26,000 sq. km) (seasonal variation).
Official name Republic of Chad. a republic in N central Africa, E of Lake Chad: a member of the French Community; formerly part of French Equatorial Africa. 501,000 sq. mi. (1,297,590 sq. km). Capital: N'Djamena.
a male given name.
French Tchad (for defs 1, 2). Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for chad

British Dictionary definitions for chad



the small pieces of cardboard or paper removed during the punching of holes in computer printer paper, paper tape, etc

Word Origin for chad

C20: perhaps based on chaff 1



a republic in N central Africa: made a territory of French Equatorial Africa in 1910; became independent in 1960; contains much desert and the Tibesti Mountains, with Lake Chad in the west; produces chiefly cotton and livestock; suffered intermittent civil war from 1963 and prolonged drought. Official languages: Arabic; French. Religion: Muslim majority, also Christian and animist. Currency: franc. Capital: Ndjamena. Pop: 11 193 452 (2013 est). Area: 1 284 000 sq km (495 750 sq miles)French name: Tchad
Lake Chad a lake in N central Africa: fed chiefly by the Shari River, it has no apparent outlet. Area: at fullest extent 10 000 to 26 000 sq km (4000 to 10 000 sq miles), varying seasonally; it has shrunk considerably in recent years
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 chad
Online Etymology Dictionary, © 2010 Douglas Harper

Culture definitions for chad


Landlocked desert republic in north-central Africa, bordered by Sudan to the east; the Central African Republic to the south; Cameroon, Niger, and Nigeria to the west; and Libya to the north. N'Djamena is its capital and largest city.


Chad was under French control until 1960.

The New Dictionary of Cultural Literacy, Third Edition Copyright © 2005 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.