Phrase guide

sea mile

noun · 3 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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No pronunciation record was provided for this word.

1

noun

Meaning 1

Synonym of nautical mile, a unit of distance now equal to exactly 1852 meters

Definition source: English Wiktionary via Wiktextract

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: nautical mile

Antonyms: none provided

2

noun

Meaning 2

A former version of the nautical mile in Scandinavia equal to 4 minutes of arc or about 4 nmi.

Definition source: English Wiktionary via Wiktextract

Usage: historical

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: nautical mile

Antonyms: none provided

3

noun

Meaning 3

a former British unit of length once used in navigation; equivalent to 6,000 feet (1828.8 meters)

Definition source: Princeton WordNet 3.0

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: mile

Antonyms: none provided

Broader terms: nautical linear unit

History

Etymology

As a former Scandinavian unit of distance, a calque of Danish sømil, Norwegian Bokmål sjømil, and Swedish sjömil, from Danish sø (“sea, nautical, maritime”) + mil (“Danish mile or league”).