Definitions

from The American Heritage® Dictionary of the English Language, 4th Edition

  • n. A coat worn beneath another coat.
  • n. A covering of short hairs lying underneath the longer outer hairs of an animal's coat.
  • n. A coat of sealing material applied to a surface before the outer coats, as of paint, are applied.
  • n. The sealing material used for this purpose.
  • n. A tarlike substance sprayed on the underside of a vehicle to prevent rusting.
  • transitive v. To apply an undercoat to.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. A layer of short hairs underneath the longer ones of an animal's fur
  • n. A coat of paint or other material applied onto a surface before that of a topcoat; a coloured primer
  • v. To apply an undercoat.

from the GNU version of the Collaborative International Dictionary of English

  • n. A coat worn under another; a light coat, as distinguished from an overcoat, or a greatcoat.
  • n. A growth of short hair or fur partially concealed by a longer growth.

from The Century Dictionary and Cyclopedia

  • n. A coat for house-wear, or for use in mild weather, as distinguished from an overcoat.
  • n. In long-haired animals, the under layer of hair.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • n. seal consisting of a coating of a tar or rubberlike material on the underside of a motor vehicle to retard corrosion
  • v. cover with a primer; apply a primer to
  • n. the first or preliminary coat of paint or size applied to a surface
  • n. thick soft fur lying beneath the longer and coarser guard hair

Etymologies

under- +‎ coat (Wiktionary)

Examples

  • He's cute, small (20lbs), and currently moulting (ie, his undercoat is shedding in ginormous clumps), in case you're new to the blog and haven't seen pictures.

    Not a fox... or a husky

  • The best thing is that it gets all of the undercoat, which is especially important in a Lab like Connor who's got that double coat of fur.

    Candidateblogs.baltimoresun.com Blogs - Baltimore Sun Candidate Blog

  • As a digital artist, working from an exact middle grey 'undercoat' helps me to ensure my tones are correct, despite monitor variations.

    Classifying Values

  • Cashmere comes mainly from the "undercoat" of the cashmere goat.

    The Guardian World News

  • It's the undercoat that musk ox, which have been around since the last Ice Age apparently having survived it better than its contemporary, the wooly mammoth, shed as they frolic in the frozen north.

    Warming Up to the Plaza

  • ON SUNDAY [SEPTEMBER 29, 1907] … What you experienced with the Portuguese grape is something I know so well: I am feeling it simultaneously in two pomegranates I recently bought from Potin; how glorious they are in their massive heaviness, with the curved ornament of the pistil still on the top; princely in their golden skins with the red undercoat showing through, strong and genuine, like the leather of old Cordovan tapestries.

    pomegranates « bindu wiles

  • The walls in the bathroom had not been painted in a while, they had that peculiar white/yellow tinge which indicated the undercoat was seeping through.

    Stuck

  • Getty Images Small dogs that lack a thick undercoat, like this miniature pinscher, may need outerwear in the wintertime.

    Ready for the Dog Days of Winter?

  • Small, short-haired, inactive dogs without a thick fur undercoat are more susceptible to cold weather.

    Ready for the Dog Days of Winter?

  • The quoted prices for what was once a low-cost undercoat had increased to what one might pay an imported craftsman for hand-painted frescoes.

    Bird Cloud

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