Underfur

noun

noun ·Rare ·Advanced level

Definitions

Noun
  1. 1
    The thick, soft undercoat of some mammals, especially those that spend time in the water uncountable, usually
  2. 2
    thick soft fur lying beneath the longer and coarser guard hair wordnet

Etymology

From under- + fur.

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.