Phrase guide

trunk line

noun · 5 senses · updated from the 2026-07-25 local source snapshot

Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.

Sound

Pronunciation

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  • rhymes with -aɪn

1

noun

Meaning 1

A main railway line which usually forms the backbone of a rail network.

Definition source: English Wiktionary via Wiktextract

Topics: rail-transport, railways, transport

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

2

noun

Meaning 2

The main line of a canal, from which other sections diverge.

Definition source: English Wiktionary via Wiktextract

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

3

noun

Meaning 3

A main telephone line.

Definition source: English Wiktionary via Wiktextract

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

4

noun

Meaning 4

a telephone line connecting two exchanges directly

Definition source: Princeton WordNet 3.0

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

Broader terms: telephone line, phone line, telephone circuit, subscriber line, line

5

noun

Meaning 5

line that is the main route on a railway

Definition source: Princeton WordNet 3.0

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: trunk route

Antonyms: none provided

Broader terms: line, railway line, rail line

History

Etymology

No etymology was provided for this word.

Across languages

Translations

4 source translations are retained for this English entry.

  • Danish: stambane — main railway line
  • Finnish: runkorata — main railway line
  • Norwegian Bokmål: stambane — main railway line
  • Norwegian Nynorsk: stambane — main railway line