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trunk call

trunk call

1 9.8
A phone call to a place outside your local area that usually costs more
  • noun
  • /trʌŋk kɔːl/
  • Archaic
translation icon : llamada de larga distancia
  • And the reason we call them trunk calls is because there was no direct connection between my grandparents phone in India and her phone in the US.

And the reason we call them trunk calls is because there was no direct connection between my grandparents phone in India and her phone in the US.

Examples

Synonyms

long distance
vstrunk call
46 3.2

A phone call to a place far away that costs extra

is chiefly British and now historical rather than a common current term
long-distance call
vstrunk call
11 2.3

A phone conversation with someone in another area that costs extra

is chiefly British and historical rather than a neutral modern term
toll call
vstrunk call
1 4.9

A phone call to another city that costs more than a local call

is limited to telephone service outside the local area rather than any higher-rate connection

Surface Forms

trunk call singular
trunk calls plural

Morphology

trunk + call

Although 'call' clearly denotes a telephone contact, the sense of 'trunk' here is a technical/historical telecom term (trunk line = main/long‑distance line) that a B1 learner who only knows common senses of 'trunk' (tree trunk, car trunk/boot) would not predict. The combined meaning 'long‑distance/outside local area call' is language‑specific and non‑compositional for typical learners, so the expression is opaque.

Etymology

Trunk call comes from old telephone systems where a trunk was a big main line between cities. To make a trunk call you used that big line, often with an operator and an extra charge, so the phrase came to mean a call 'outside the local area' or 'expensive'.