[1] : The Collaborative International Dictionary of English v.0.48

underwear \un"derwear`\, n.
   that which is worn under the outside clothing; underclothes.
   1913 webster

[2] : WordNet (r) 2.0

underwear
     n : undergarment worn next to the skin and under the outer
         garments syn: underclothes, underclothing
see also:
underclothes underclothing 

Underwear >> U Words
Underwear, definition of term: Underwear
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