lin ‧ en /ˈlɪnən, ˈlɪnɪn/ BrE AmE noun [uncountable]
[ Language: Old English ; Origin: 'made of flax' , from lin 'flax' ]
1 . sheets, ↑ tablecloth s etc:
bed linen
table linen
2 . cloth made from the ↑ flax plant, used to make high quality clothes, home decorations etc:
a linen jacket
3 . old use underwear
⇨ wash your dirty laundry/linen at ↑ dirty 1 (7)