noun · 2 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
Each Play button uses your device's default local English voice, or a natural local fallback. The selected voice name appears after playback. This is synthesized speech, not a source recording.
General-American:Recorded audio is listed in the source snapshot.
homophone: plain sailing
rhymes with -eɪlɪŋ
1
noun
Meaning 1
A technique for navigation using the assumption that the journey occurs over a plane or flat surface rather than the actual curved surface of the Earth, which is sufficiently accurate over short distances.
Definition source: English Wiktionary via Wiktextract
Usage: uncountable
Topics: nautical, transport
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
2
noun
Meaning 2
Alternative spelling of plain sailing (“navigation of waters free from hazards or unfavourable winds; (figurative) something that is easy, simple, or straightforward”).
Definition source: English Wiktionary via Wiktextract
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
History
Etymology
From plane (adjective) + sailing (noun), a variant of plain sailing probably by analogy with plane chart (“(nautical) chart representing the earth in which lines of latitude and longitude are respectively shown as parallel straight lines”) or plane scale (“(chiefly nautical, obsolete) scale or ruler with markings used for calculations, especially for navigation”).
Across languages
Translations
1 source translations are retained for this English entry.
Finnish:
navigointi tasossa
— technique for navigation using the assumption that the journey occurs over a plane or flat surface