Search Result for "underfur": 
Wordnet 3.0

NOUN (1)

1. thick soft fur lying beneath the longer and coarser guard hair;
[syn: undercoat, underfur]



WordNet (r) 3.0 (2006):

underfur
    n 1: thick soft fur lying beneath the longer and coarser guard
         hair [syn: undercoat, underfur]