Search Result for "corkboard": 
Wordnet 3.0

NOUN (1)

1. a heat-insulating building material consisting of cork granules that are made into sheets by compressing and baking; 



WordNet (r) 3.0 (2006):

corkboard
    n 1: a heat-insulating building material consisting of cork
         granules that are made into sheets by compressing and
         baking