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

cob

1 American  
[kob] / kɒb /

noun

cobs plural
  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

Other Word Forms

Noun Inflected Forms

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.

“I needed to know specific details about proper hot-pepper husbandry,” says Caruso, who lives in Cos Cob, Conn. “She would come back with everything I needed.”

From The Wall Street Journal • Feb. 5, 2026

Beau assures her that he’ll eventually figure it out, but time is not on Cob County’s side.

From Los Angeles Times • Aug. 22, 2025

Surely it must have been one of those fake Twitter accounts that crop up at times like this, authored by someone named Cob Bondotta.

From Seattle Times • Mar. 14, 2023

Some residents and volunteers built small homes with straw and mud, called cob, in a section of the camp they called Cob on Wood.

From Salon • Mar. 8, 2023

Jake tried to quiet him, but Cob brushed the younger man aside.

From "The Name of the Wind" by Patrick Rothfuss

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