undercoat

noun

un·​der·​coat ˈən-dər-ˌkōt 

1

: a coat or jacket worn under another

2

: a growth of short hair or fur partly concealed by the longer and usually coarser guard hairs of a mammal

3

a

: a coat (as of paint) applied as a base for another coat

b

: undercoating

4

dialect : petticoat

Examples of undercoat in a Sentence

Recent Examples on the Web

The Federal Trade Commission defines cashmere as the ultra-fine wool from the undercoat of the Cashmere (or Kashmir) goat. — Angela Velasquez, Footwear News, 27 Aug. 2026

The breed has a short but thick double coat consisting of a coarse outer layer and a softer undercoat. — Encyclopedia Britannica, 12 June 2026

Indoor dogs often shed insulating undercoats and shouldn't be shaved in winter; their natural coats provide warmth. — Sergio Candido, CBS News, 24 Jan. 2026

Similarly, cashmere, made from goats’ undercoats, will also shrink when exposed to hot temperatures. — Hallie Milstein, Southern Living, 15 Jan. 2026

Word History

First Known Use

1591, in the meaning defined at sense 1

Rhymes for undercoat

• anecdote
• antidote
• asymptote
• creosote
• dimethoate
• epidote
• ferryboat
• motorboat
• overcoat
• petticoat
• riverboat
• underwrote

Kids Definition

undercoat

noun

un·​der·​coat -ˌkōt 

1

: a coat or jacket worn under another

2

: a growth of short hair or fur partly concealed by a longer growth of usually coarse hairs

a dog's undercoat

3

: a coat of paint under another

undercoat verb