Definition of "fog"

fog¹

/fɒɡ/

noun
countable and uncountable, plural fogs
1. (uncountable) A thick cloud that forms near the ground; the obscurity of such a cloud.
  Quotations
  Thus the red damask curtains which now shut out the fog-laden, drizzling atmosphere of the Marylebone Road, had cost a mere song, and yet they might have been warranted to last another thirty years. A great bargain also had been the excellent Axminster carpet which covered the floor; […].
  1913, Mrs. [Marie] Belloc Lowndes, chapter I, in The Lodger, London: Methuen; republished in Novels of Mystery: The Lodger; The Story of Ivy; What Really Happened, New York, N.Y.: Longmans, Green and Co., […], page 0016
  Wallis and Curtiz eventually agreed to shoot Howard Koch’s preferred ending, with distraught Ilse[sic], still in love with Rick, going off with Laszlo to America, and Rick and Louis going off together into the fog. (In Morocco? Fog? Never mind.)
  2012 March 19, David Denby, “Everybody Comes to Rick’s: “Casablanca” on the Big Screen”, in The New Yorker‎
2. (uncountable) A mist or film clouding a surface.
3. (figurative) A state of mind characterized by lethargy and confusion.
  Quotations
  I was on my way to the door, but all at once, through the fog in my head, I began to sight one reef that I hadn't paid any attention to afore.
  1913, Joseph C. Lincoln, chapter 4, in Mr. Pratt's Patients
4. (photography) A silver deposit or other blur on a negative or developed photographic image.
5. (computer graphics) Distance fog.
verb
third-person singular simple present fogs, present participle fogging, simple past and past participle fogged
1. (intransitive) To become covered with or as if with fog.
2. (intransitive) To become obscured in condensation or water.
3. (intransitive, photography) To become dim or obscure.
4. (transitive, photography) To make dim or obscure.
5. (transitive, photography) To spoil (film) via exposure to light other than in the normal process of taking a photograph.
6. (transitive) To cover with or as if with fog.
  Quotations
  Fogging for adult mosquito control began on June 4th in residential areas. Until September 25th, the Metro area was fogged eleven times, using nine truck-mounted foggers, eight hand swing foggers, and two boats.
  1968, Eighth Annual Report, Metropolitan Corporation of Greater Winnipeg, page 7
7. (transitive) To disperse insecticide into (a forest canopy) so as to collect organisms.
8. (transitive) To obscure in condensation or water.
  Quotations
  Unfortunately, the pendulum has swung way too far to the other end where the saying in the industry is is[sic] that if you could fog a mirror, you could get a loan.
  2008, United States Congress, House Committee on Financial Services. Subcommittee on Housing and Community Opportunity - Foreclosure, Foreclosure Prevention and Intervention: The Importance of Loss Mitigation, page 46
9. (transitive) To make confusing or obscure.

fog²

/fɒɡ/

noun
uncountable
1. A new growth of grass appearing on a field that has been mowed or grazed.
  Quotations
  The inclosures of fog, or aftergrass, reserved for spring-feed, are now supposed to be shut up, also the burnet, which is never to be fed in autumn ...
  1800, John Lawrenece, The New Farmer's Calendar; Or, Monthly Remembrancer, for All Kinds of Country Business: Comprehending All the Material Improvements in the New Husbandry ... By a Farmer and Breeder [i.e. J. Lawrence]., page 114
2. (UK, dialect) Tall and decaying grass left standing after the cutting or grazing season.
  Quotations
  […] and they generally leave a great deal of Fog to rot on the Ground, which, with the Help of his well turned Dung-hill, dress his Ground […]
  1744, William Agric Ellis, The Modern Husbandman, page 104
3. (Scotland) Moss.
verb
third-person singular simple present fogs, present participle fogging, simple past and past participle fogged
1. (transitive) To pasture cattle on the fog (of), or aftergrass, of; to eat off the fog from (a field).
2. (intransitive) To become covered with the kind of grass called fog.

fog³

/fɒɡ/

verb
third-person singular simple present fogs, present participle fogging, simple past and past participle fogged
1. (intransitive, obsolete) To practice in a small or mean way; to pettifog.
  Quotations
  Where wouldst thou fog to get a fee?
  a. 1701 (date written), John Dryden, “The Counter Scuffle”, in The Miscellaneous Works of John Dryden, […], volumes (please specify |volume=I to IV), London: […] J[acob] and R[ichard] Tonson, […], published 1760

Definition of "fog"

fog1

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fog2

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