sein.
breast (the chest)
Meaning & usage
breast (the chest)
Sur votre jeune sein laissez rouler ma tête.
breast
Elle a de gros seins.
womb
Elle a porté cet enfant dans son sein.
bosom
au sein de la famille
le sein du Père
Where this word comes from
Inherited from Old French sein, from Latin sinus, from Proto-Italic *sinus, from Proto-Indo-European *sinos. Doublet of sinus. Compare Italian seno, Romanian sân, Romansh sain, Portuguese seio, Spanish seno.
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Definitions, grammatical labels, IPA, etymology and examples: Wiktionary contributors, extracted by Kaikki / Wiktextract. Adapted under CC BY-SA 4.0. Selected fields and authored examples are shown; third-party quotations and audio are omitted. See contributor history.
Last enriched 2026-09-10. Definitions are in English. Romanizations are shown when supplied by the source; syllable estimates are omitted for unsupported scripts.