chalk

• chaulk (dated)

From Middle English chalk, chalke, from Old English ċealc, from Proto-West Germanic *kalk, borrowed from Latin calx (“limestone”), again borrowed from Ancient Greek χάλιξ (khálix, “pebble”). Doublet of calx and cauk.

• (Received Pronunciation) IPA^(key): /t͡ʃɔːk/
• (General American) enPR: chôk, IPA^(key): /t͡ʃɔk/

• Audio:

  (file)

• (cot–caught merger) IPA^(key): /t͡ʃɑk/
  • Homophone: chock
• Rhymes: -ɔːk

chalk (countable and uncountable, plural chalks)

2. (uncountable) A soft, white, powdery limestone (calcium carbonate, CaCO₃).

   chalk cliffs are not recommended for climbing

4. (countable) A piece of chalk, or nowadays processed compressed gypsum (calcium sulfate, CaSO₄), that is used for drawing and for writing on a blackboard (chalkboard).

   the chalk used to write on the blackboard makes a squeaky sound

6. Tailor's chalk.
8. (uncountable, climbing, gymnastics) A white powdery substance used to prevent hands slipping from holds when climbing, or losing grip in weight-lifting or gymnastics, sometimes but not always limestone-chalk, often magnesium carbonate (MgCO₃).

   when working out your next move, it's a good idea to get some more chalk from the bag

10. (US, military, countable) A platoon-sized group of airborne soldiers.
12. (US, sports, chiefly basketball, horse racing) The favorite in a sporting event.
14. (US, sports, chiefly basketball) The prediction that there will be no upsets, and the favored competitor will win.
    • 1982 March 22, Phil Musick, “And the pick here is - Georgetown over Houston”, in Pittsburgh Post-Gazette‎^[1], page 13:

      OK, let's get rid of the chalk players right away. The chalk likes North Carolina. Dean Smith has taken Carolina to the Final Four six times.

    • 1995 April 6, “Notes on a Scorecard”, in Los Angeles Times‎^[2], archived from the original on 6 March 2012, page C3:

      Excuse us for sticking with the chalk, but the predicted winners are Afternoon Deelites in the Derby, Oliver McCall over Larry Holmes, Nick Faldo in the Masters, and Al Unser Jr. in the Grand Prix.

    • 2008 March 24, Jason Bauman, “Non-news of the week: Obama picks North Carolina”, in Beacon-News‎^[3], Aurora, Illinois:

      Instead, he played the chalk and selected the No. 1 overall seed in the tournament.

• calcium
• calx

• → Hindi: चाक (cāk)
• → Japanese: チャコ (chako), チョーク (chōku)
• → Nepali: चक (cak)
• → Swahili: chaki
• → Swazi: íshóki
• → Thai: ชอล์ก (chɔ́k)
• → Tsonga: choko
• → Tulu: ಚಾಕ್ (cākŭ)
• → Yoruba: ṣọ́ọ̀kì

chalk (third-person singular simple present chalks, present participle chalking, simple past and past participle chalked)

1. To apply chalk to anything, such as the tip of a billiard cue.

   chalk your hands before climbing

   • 1944 January and February, Major J. C. F. Lloyd Williamson, “Ambulance Trains in Algeria and Tunisia”, in Railway Magazine, page 6:

     After a leg stretch, we set off again at 11:30 hours in charge of U.S.A. No. 1736 (Miss Ohio had been chalked on her), a 2-8-0 utility engine.

2. To record something, as on a blackboard, using chalk.
3. To use powdered chalk to mark the lines on a playing field.
4. (figuratively) To record a score or event, as if on a chalkboard.
5. To manure (land) with chalk.
   • 1707, J[ohn] Mortimer, The Whole Art of Husbandry; or, The Way of Managing and Improving of Land. […], London: […] J[ohn] H[umphreys] for H[enry] Mortlock […], and J[onathan] Robinson […], →OCLC:

     Land that is chalked

   • 1821, Royal Society of Arts (Great Britain), Transactions, volume 39, page 11:

     I then chalked the land at an expense of 4l. per acre, and planted potatoes, about ten bushels to the acre […]

6. To make white, as if with chalk; to make pale; to bleach.
   • 1847, Alfred Tennyson, “(please specify the page number, or |part=Prologue, I to VII, or conclusion)”, in The Princess: A Medley, London: Edward Moxon, […], →OCLC:

     Fear Stared in her eyes, and chalked her face

   • [1633], George Herbert, edited by [Nicholas Ferrar], The Temple. Sacred Poems, and Private Ejaculations, Cambridge, Cambridgeshire: […] Thomas Buck and Roger Daniel; and are to be sold by Francis Green, […], →OCLC:

     Let a bleak paleness chalk the door.

• chalk on Wikipedia.Wikipedia
• chalk (military) on Wikipedia.Wikipedia
• chalk (disambiguation) on Wikipedia.Wikipedia

• calke, chalke, schalk, schalke

From Old English cealc, from Proto-West Germanic *kalk.

• IPA^(key): /t͡ʃalk/
• (Northern) IPA^(key): /kalk/
• Rhymes: -alk

chalk (uncountable)

1. chalk

• English: chalk (see there for further descendants); cauk, cawk
• Scots: cauk, cawk

• “chalk, n.”, in MED Online, Ann Arbor, Mich.: University of Michigan, 2007, retrieved 2018-09-14.