Akademik

pocketing
\\ˈpäkə̇d.iŋ, -ə̇tiŋ, -ēŋ\ noun (-s)
Etymology: pocket (I) + -ing
: any of various strong usually cotton fabrics used for pockets especially in suits and coats

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/pok"i ting/, n.
any of various fabrics for making the insides of pockets.
[1605-15; POCKET + -ING1]

Useful english dictionary. 2012.