Main Entry:

un·der·coat

Pronunciation:

\-ˌkōt\

Function:

noun

Date:

1591

1: a coat or jacket worn under another2: a growth of short hair or fur partly concealed by the longer and usually coarser guard hairs of a mammal3 a: a coat (as of paint) applied as a base for another coat b: undercoating4dialect : petticoat