1A local specialty or souvenir bought while traveling, to bring back home as a gift.
京都旅行の土産にお菓子を買った。
I bought some sweets as a souvenir from my trip to Kyoto.
出張先で同僚への土産を選んだ。
I picked out a souvenir for my coworkers while on a business trip.
この地方の土産といえば、りんごのお菓子が有名だ。
When it comes to souvenirs from this region, apple sweets are famous.
旅先で土産を買いすぎて荷物が重くなった。
I bought too many souvenirs on my trip, and my luggage got heavy.
2A gift brought along when visiting someone.
友人の家を訪ねるとき、いつも何か土産を持っていく。
Whenever I visit a friend's house, I always bring some kind of gift.
彼は手土産にワインを持ってきた。
He brought wine as a gift for the visit.
3An ironic use of 土産 (usually as お土産) for something unwelcome one ends up with, such as catching an illness while traveling.
海外旅行のお土産に風邪をもらってしまった。
I came back from my overseas trip with an unwanted 'souvenir' — a cold.