trunking

noun
plural -s

Definition of trunking 

1 : an act or instance of employing a trunk

2a : a casing to protect electrical conductors

b : trunk sense 5d(1)

3a : the provision of adequate trunks and switching facilities in either a manual or automatic communications system

b : the interconnections provided

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History and Etymology for trunking

from gerund of trunk entry 3

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