noun · verb · 8 senses · updated from the 2026-07-25 local source snapshot
Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.
Sound
Pronunciation
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General-American:/ˈʌndɚˌkoʊt/
US:Recorded audio is listed in the source snapshot.
rhymes with -əʊt
CMU ARPABET:AH1 N D ER0 K OW2 T
Digits mark lexical stress: 1 primary, 2 secondary, 0 unstressed.
1
noun
Meaning 1
A layer of short hairs underneath the longer ones of an animal's fur.
Definition source: English Wiktionary via Wiktextract
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
2
noun
Meaning 2
A coat of paint or other material applied onto a surface before that of a topcoat; sometimes, a coloured primer.
Definition source: English Wiktionary via Wiktextract
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: none provided
Antonyms: topcoat, overcoat
3
noun
Meaning 3
A coat for wearing indoors, under an overcoat.
Definition source: English Wiktionary via Wiktextract
Usage: obsolete
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
4
verb
Meaning 4
To apply an undercoat to.
Definition source: English Wiktionary via Wiktextract
Usage: transitive
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
5
noun
Meaning 5
thick soft fur lying beneath the longer and coarser guard hair
Definition source: Princeton WordNet 3.0
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: underfur
Antonyms: none provided
Broader terms: fur
6
noun
Meaning 6
the first or preliminary coat of paint or size applied to a surface
Definition source: Princeton WordNet 3.0
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: flat coat, ground, primer, priming, primer coat, priming coat
Antonyms: none provided
Broader terms: coat of paint
Narrower terms: couch
7
noun
Meaning 7
seal consisting of a coating of a tar or rubberlike material on the underside of a motor vehicle to retard corrosion
Definition source: Princeton WordNet 3.0
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: underseal
Antonyms: none provided
Broader terms: seal
8
verb
Meaning 8
cover with a primer; apply a primer to
Definition source: Princeton WordNet 3.0
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: prime, ground
Antonyms: none provided
Broader terms: paint
History
Etymology
Etymology tree Proto-Indo-European *h1én Proto-Indo-European *h1entér Proto-Indo-European *(H)n̥dhí Proto-Indo-European *-ér Proto-Indo-European *(H)n̥dhér Proto-Germanic *under Proto-West Germanic *undar Old English under- Middle English under- English under- Proto-Germanic *kuttôbor. Latin cotta Old French cottebor. Middle English cote English coat English undercoat From under- + coat.
Across languages
Translations
15 source translations are retained for this English entry.
Bulgarian:
подкосъм
(podkosǎm)
— layer of soft hair
Finnish:
aluskarva
— layer of soft hair
Polish:
podszerstek
— layer of soft hair
Slovene:
podlanka
— layer of soft hair
Finnish:
pohjamaali (primer)
— coat of paint applied before a topcoat
Finnish:
välimaali
— coat of paint applied before a topcoat
French:
sous-couche
— coat of paint applied before a topcoat
Hungarian:
alapozó
— coat of paint applied before a topcoat
Hungarian:
alapozó festék/réteg
— coat of paint applied before a topcoat
Hungarian:
alapréteg
— coat of paint applied before a topcoat
Hungarian:
alapozás
— coat of paint applied before a topcoat
Indonesian:
cat dasar
— coat of paint applied before a topcoat
Irish:
fo-bhrat
— coat of paint applied before a topcoat
Māori:
kiriwai
— coat of paint applied before a topcoat
Polish:
podkład
— coat of paint applied before a topcoat