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1. the main stem of a tree, usually thick and upright, covered with bark and having branches at some distance from the ground
2. Anatomy the body excluding the head, neck, and limbs; torso
3. the elongated prehensile nasal part of an elephant; proboscis
4. US and Canadian an enclosed compartment of a car for holding luggage, etc., usually at the rear
5. Anatomy the main stem of a nerve, blood vessel, etc.
6. Nautical a watertight boxlike cover within a vessel with its top above the waterline, such as one used to enclose a centreboard
Collins Discovery Encyclopedia, 1st edition © HarperCollins Publishers 2005
The following article is from The Great Soviet Encyclopedia (1979). It might be outdated or ideologically biased.



the highly developed stem of ligneous plants, which is substantially thicker and taller than lateral branches. In trees with monopodial branching the trunk is the main axis that develops from the growing point of the sprout. In trees with sympodial branching the trunk is formed from successive secondary axes.

The Great Soviet Encyclopedia, 3rd Edition (1970-1979). © 2010 The Gale Group, Inc. All rights reserved.

What does it mean when you dream about a trunk?

The trunk of a tree may represent one’s inner sense of well-being and personality. A thick bark over a large, hefty trunk denotes a strong, rugged, and durable person. A thin, narrow, bark-free tree trunk suggests a highly sensitive but wiry individual. If the trunk is the long nose of an elephant, the dreamer may have a strong “nose for the news” and a very good memory. Alternatively an elephant’s trunk may have a phallic and sexual meaning. Finally, a trunk in the sense of an old-fashioned storage case may reveal the old memories and secrets to which the dreamer is clinging.

The Dream Encyclopedia, Second Edition © 2009 Visible Ink Press®. All rights reserved.


The main mass of the human body, exclusive of the head, neck, and extremities; it is divided into thorax, abdomen, and pelvis.
The main stem of a tree.
A path over which information is transferred in a computer.
A telephone line connecting two central offices. Also known as trunk circuit.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.


A shared communications channel between two points. Coined by the telephone industry, a trunk typically refers to a high-bandwidth, fiber-optic line between switching centers (central offices). Telephone trunks handle thousands of simultaneous voice and data signals, whereas telephone "lines" are the wires from the central office to the customer.

The term migrated to the information networking industry and may refer to a high-speed or medium-speed channel for data packets.

SIP Trunks
With the advent of voice over IP (VoIP), a SIP trunk is assigned by a SIP provider to a customer, and a single trunk supports one or more telephone numbers (see SIP trunking). See central office.
Copyright © 1981-2019 by The Computer Language Company Inc. All Rights reserved. THIS DEFINITION IS FOR PERSONAL USE ONLY. All other reproduction is strictly prohibited without permission from the publisher.
References in periodicals archive ?
The Terrestrial Trunked Radio (TETRA) Market global size is predicted to value at USD 6.5 billion by 2025, during the forecast period.
Hytera DMR trunked communication system was adopted to handle the traffic hike brought by the 26th Universiade, which is an international university sporting event.
The four channels of the device can be trunked to form a single logical link for SERDES of IEEE 802.3ae 10G Ethernet and T11 NCITS 10G Fibre Channel standard-compliant XAUI and InfiniBand 4X.
Marconi's TETRA (Terrestrial Trunked Radio) system will provide voice and data communications for the company's operational staff.
Trunked Radio Systems, also known as 800 megahertz radios, are replacing traditional radio systems in cities from California to Delaware.
RELM Wireless Corporation (NYSE MKT: RWC) received an order totaling approximately USD1.0 million from a branch of the US military for the company's KNG P25 trunked portable VHF radios and accessories, which will be deployed internationally, the company said.
RELM Wireless Corporation (NYSE MKT: RWC) announced on Tuesday the receipt of an order totalling approximately USD1.0m from a branch of the US Military, the US Department of Defence, for the company's KNG P25 trunked portable VHF radios and accessories.
TELECOMWORLDWIRE-February 20, 2014-Motorola Solutions gets digital trunked radio contract in Myanmar
Motorola Solutions Inc (NYSE:MSI), a provider of communication products and services, is to provide Spanish airline Iberia with an advanced TETRA (TErrestrial Trunked RAdio) digital radio system under a new contract announced by the company today.
"This will be the first Project 25 trunked radio system in Maryland;' says Jackie Wasni, Motorola Communications & Electronics vice president.