Search Result for "earmuff": 
Wordnet 3.0

NOUN (1)

1. either of a pair of ear coverings (usually connected by a headband) that are worn to keep the ears warm in cold weather; 



WordNet (r) 3.0 (2006):

earmuff
    n 1: either of a pair of ear coverings (usually connected by a
         headband) that are worn to keep the ears warm in cold
         weather