To be combined, joined, or interlocked (intransitive); used when parts, elements, opinions, patterns, etc., come together.
この家具は数種類のパーツが組み合わさってできている。
This piece of furniture is made up of several kinds of parts combined together.
色と柄がうまく組み合わさったデザインだ。
It's a design where colors and patterns are well combined.
さまざまな意見が組み合わさって、新しい方針が生まれた。
Various opinions came together and produced a new policy.
両手が自然に組み合わさったとき、彼らは笑い出した。
When their hands naturally joined, they started laughing.