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
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.
UK:/ˈbəʊ.sən/
/ˈbəʊt.sweɪn/spelling pronunciation
Southern-England:Recorded audio is listed in the source snapshot.
Canada, US:/ˈboʊ.sən/
rhymes with (UK) -əʊsən
rhymes with (US, Canada) -oʊsən
CMU ARPABET:B OW1 T S W EY0 N
Digits mark lexical stress: 1 primary, 2 secondary, 0 unstressed.
1
noun
Meaning 1
A person aboard ship who is in charge of various maritime affairs.
The officer (or warrant officer) in charge of sails, rigging, anchors, cables etc. and all work on deck of a sailing ship.
Definition source: English Wiktionary via Wiktextract
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
2
noun
Meaning 2
A person aboard ship who is in charge of various maritime affairs.
The petty officer of a merchant ship who controls the work of other seamen.
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 kind of gull, the jaeger.
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
The tropicbird.
Definition source: English Wiktionary via Wiktextract
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
5
noun
Meaning 5
a petty officer on a merchant ship who controls the work of other seamen
Definition source: Princeton WordNet 3.0
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: bos'n, bo's'n, bosun, bo'sun
Antonyms: none provided
Broader terms: mariner, seaman, tar, Jack-tar, Jack, old salt, seafarer, gob, sea dog
History
Etymology
From Middle English botswain, botswein, bote-swayn, from late Old English bātsweġen, from bāt (“boat”) + sweġen (“swain”), the latter element a borrowing from Old Norse sveinn (“boy”); equivalent to boat + swain (“boy, servant”).
Across languages
Translations
32 source translations are retained for this English entry.
Bulgarian:
бо́цман
(bócman)
— officer of a sailing ship
Catalan:
nostramo
— officer of a sailing ship
Catalan:
contramestre
— officer of a sailing ship
Czech:
loďmistr
— officer of a sailing ship
Czech:
bocman
— officer of a sailing ship
Dutch:
bootsman
— officer of a sailing ship
Finnish:
pursimies
— officer of a sailing ship
Finnish:
puosu
— officer of a sailing ship
French:
bosco
— officer of a sailing ship
French:
maître d'équipage
— officer of a sailing ship
Galician:
contramestre
— officer of a sailing ship
Georgian:
ბოცმანი
(bocmani)
— officer of a sailing ship
German:
Bootsmann
— officer of a sailing ship
Greek:
λοστρόμος
(lostrómos)
— officer of a sailing ship
Hungarian:
fedélzetmester
— officer of a sailing ship
Ingrian:
botsmani
— officer of a sailing ship
Irish:
bósan
— officer of a sailing ship
Irish:
maor loinge
— officer of a sailing ship
Italian:
nostromo
— officer of a sailing ship
Macedonian:
боцман
(bocman)
— officer of a sailing ship
Macedonian:
водач на палуба
(vodač na paluba)
— officer of a sailing ship
Marshallese:
bojin
— officer of a sailing ship
Norman:
baûsouîn
— officer of a sailing ship
Polish:
bosman
— officer of a sailing ship
Portuguese:
contramestre
— officer of a sailing ship
Russian:
бо́цман
(bócman)
— officer of a sailing ship
Serbo-Croatian:
vođa palube
— officer of a sailing ship
Spanish:
contramaestre
— officer of a sailing ship