Shared
Co Ownership, Joint Ownership, Share
noun, verbal noun, の adjective
The things you together have are the things that are shared.
This is a jukugo word, which usually means on'yomi readings from the kanji. If you know the readings of your kanji you'll know how to read this as well.
「あのヨットは素敵ですね。田中さんのですか？」 「兄貴と共有なんですよ。」
"That is a very nice yacht. Is that yours, Mr. Tanaka?" "I'm a co-owner with my brother."
このワンピースのフィギュアは、コウイチとビエトの共有のざいさんです。
These One Piece figures are the shared assets of Koichi and Viet.
子育ては、ふうふ間でじょうほうをきちんと共有した方が上手く行きますよ。
Raising a kid works better when husbands and wives share information properly.