# trunking

Pronunciation: say "TRUNGK-ing" /ˈtɹʌŋkɪŋ/

## Verb

1. Present participle and gerund of trunk. — present participle and gerund of trunk
   - Simple: Present participle and gerund of trunk. Use it after "is" or "are", or as the name of the action.
   - _The carrier is trunking traffic from the new suburbs onto its main fiber route._
   - _By trunking its radio users onto shared channels, the county avoided buying new frequencies._

## Noun

2. A system of ducts for carrying cables, or for heating or ventilation. *(UK)*
   - Simple: A set of tubes or channels that carry cables, warm air, or fresh air.
   - _Workmen are fitting ventilation trunking above the shop's false ceiling._
   - _Galvanized heating trunking runs the full length of the factory floor._
3. Plastic channeling or ducting that encloses electrical wiring to hide and protect it. *(UK)*
   - Simple: A plastic cover or tube that hides electric wires and keeps them safe.
   - _We ran the speaker cable along the skirting board in white plastic trunking._
   - _The electrician cut the trunking to length and clipped its lid over the new wiring._
4. All the electrical and communications cables in a building, bundled together and distributed through it.
   - Simple: All the electric, phone, and computer cables in a building, grouped together and run through it.
   - _The building's trunking, hundreds of power, phone and data cables, runs up a shaft beside the elevator._
   - _Before the renovation, the old trunking had to be traced cable by cable._
5. In two-way radio systems, the automatic assignment of frequency channels to groups of users' radios by means of a control channel.
   - Simple: A way for radio systems to share channels by giving each group a free one automatically.
   - _Trunking lets hundreds of users share a handful of frequencies without waiting for one to clear._
   - _The state's emergency services adopted digital trunking to end years of crowded channels._
6. In freight, the moving of containers or packages between a terminal and a carrier's inland facilities, or a scheduled transport service between set locations.
   - Simple: Moving packages or containers between a terminal and a company's other sites, or a regular service between places.
   - _Long-distance trunking keeps the company's trucks running every night between the hub and its regional depots._
   - _The rail operator offers daily trunking between the container port and three inland depots._

## Origin

Formed from trunk + the suffix -ing.

Source: DictionaryAI, https://dictionaryai.com/define/trunking (written from Wiktionary data, CC BY-SA 4.0: https://creativecommons.org/licenses/by-sa/4.0/).