trough

From Middle English trogh, from Old English troh, trog (“a trough, tub, basin, vessel for containing liquids or other materials”), from Proto-West Germanic *trog, from Proto-Germanic *trugą, *trugaz, from Proto-Indo-European *drukós, enlargement of *dóru (“tree”).

See also West Frisian trôch, Dutch trog, German Trog, Danish trug, Swedish tråg; also Middle Irish drochta (“wooden basin”), Old Armenian տարգալ (targal, “ladle, spoon”). More at tree.

• (Received Pronunciation) IPA^(key): /tɹɒf/

  • Audio (RP)

    (file)

• (US) enPR: trôf, IPA^(key): /tɹɔf/
• (US, cot–caught merger, Canada) enPR: trŏf, IPA^(key): /tɹɑf/

  • Audio (US)

    (file)

• (US dialectal) enPR: trôth, IPA^(key): /tɹɔθ/; (cot–caught merger) IPA^(key): /tɹɑθ/
• Rhymes: -ɒf

trough (plural troughs)

1. A long, narrow container, open on top, for feeding or watering animals.

   One of Hank's chores was to slop the pigs' trough each morning and evening.

2. Any similarly shaped container.
   • 1961 November, “Talking of Trains: The North Eastern's new rail-mounted piling unit”, in Trains Illustrated, page 646:

     Now, covered concrete troughs to house the cables are laid parallel with the railway lines, cheapening maintenance because of improved accessibility for inspection and repair.

   • 1976, Frederick Bentham, The art of stage lighting (page 233)

     It just clips on the front of the stage without any special trough, has no great power and occupies only one dimmer, […]

   1. (Australia, New Zealand) A rectangular container used for washing or rinsing clothes.

      Ernest threw his paint brushes into a kind of trough he had fashioned from sheet metal that he kept in the sink.

3. A short, narrow canal designed to hold water until it drains or evaporates.

   There was a small trough that the sump pump emptied into; it was filled with mosquito larvae.

4. (Canada) A gutter under the eaves of a building; an eaves trough.

   The troughs were filled with leaves and needed clearing.

5. (agriculture, Australia, New Zealand) A channel for conveying water or other farm liquids (such as milk) from place to place by gravity; any ‘U’ or ‘V’ cross-sectioned irrigation channel.
6. A long, narrow depression between waves or ridges; the low portion of a wave cycle.

   The buoy bobbed between the crests and troughs of the waves moving across the bay.

   The neurologist pointed to a troubling trough in the pattern of his brain-waves.

7. (economy) low turning point or a local minimum of a business cycle
8. (meteorology) A linear atmospheric depression associated with a weather front.

• manger (container for feeding animals)

• water trough
• trougher

trough (third-person singular simple present troughs, present participle troughing, simple past and past participle troughed)

1. To eat in a vulgar style, as if from a trough.

   He troughed his way through three meat pies.

• Oxford English Dictionary Online

• crib
• ditch
• trench

• Rought, rought

trough

1. Alternative form of trogh