つばめ

swallow (bird of the Hirundinidae family); martin

Also:barn swallow (Hirundo rustica), younger man involved with an older woman

What does mean?

is a Japanese noun meaning swallow (bird of the Hirundinidae family); martin in English. It can also be translated as barn swallow (Hirundo rustica), younger man involved with an older woman depending on context. It is written as in kanji, つばめ in hiragana, and tsubame in romaji. This word is part of JLPT N2 vocabulary.