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  • cob
    cob
    noun
    a corncob.
  • COB
    COB
    abbreviation
    close of business.
Synonyms

cob

1 American  
[kob] / kɒb /

noun

  1. a corncob.

  2. a male swan.

  3. a short-legged, thick-set horse, often having a high gait and frequently used for driving.

  4. British. a mixture of clay and straw, used as a building material.

  5. British Dialect. a rounded mass or lump.

  6. a crude silver or gold Spanish-American coin of the 16th to 18th centuries, characteristically irregular in shape and bearing only a partial impression of the dies from which it was struck.


COB 2 American  

abbreviation

Business.
  1. close of business.

    The data analysis will be on your desk by COB Wednesday.


cob 1 British  
/ kɒb /

noun

  1. a male swan

  2. a thickset short-legged type of riding and draught horse

  3. short for corncob corncob pipe cobnut

  4. another name for hazel

  5. a small rounded lump or heap of coal, ore, etc

  6. a building material consisting of a mixture of clay and chopped straw

  7. Also called: cob loaf.  a round loaf of bread

"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

verb

  1. informal (tr) to beat, esp on the buttocks

"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
cob 2 British  
/ kɒb /

noun

  1. an archaic or dialect name for the greater black-backed gull ( Larus marinus ) See also gull 1

"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

Etymology

Origin of cob

First recorded in 1375–1425; late Middle English cobbe “male swan, leader of a gang”; these and various subsequent senses are obscurely related and probably in part of distinct origin

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

The public prosecutor said Monday it was issuing an arrest warrant for the leader of the country's largest union COB, accusing him of terrorism and inciting crime.

From Barron's • May 18, 2026

Eighteen of the 21 people killed in encounters with police officers during the four-year period were Black, and three were white, the COB report shows.

From Seattle Times • May 5, 2021

“I need this done by COB tomorrow,” Manafort emailed Gates at 3 a.m. the next day.

From Washington Post • Aug. 10, 2018

Rather it was to examine the six documents in dossier number 12801/subsection 326, codename "COB", for traces of anything incriminating.

From BBC • Feb. 25, 2018

Therefore the angle POP' is constant, being equal to half the constant angle AOC + COB.

From An Elementary Course in Synthetic Projective Geometry by Lehmer, Derrick Norman

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