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to cross (legs or arms); to link (arms)
to put together; to construct; to assemble; to produce (e.g. TV program)
to braid; to plait
to grapple; to wrestle
to unite; to join; to link up; to form an alliance
to set (e.g. type)
to issue (e.g. money order)
彼は腕を組んで考え込んでいた。
He was deep in thought with arms crossed.
二人でチームを組むことにした。
We decided to form a team together.
友達と手を組んで一緒に歩いた。
I walked linking arms with my friend.