Meaning of 三脚 in Japanese

Definition of 三脚

さんきゃく(sankyaku) 【三脚】

さんきゃくか(sankyakuka) 【三脚架】

ににんさんきゃく(nininsankyaku) 【二人三脚】

(n) three-legged race
cooperation with singleness of purpose (e.g. between companies)
いやでもおうでも、これからは君と二人三脚で仕事をするしかないのかね。
Like it or not we're in this together. All we can do is work closely as though we were joined at the hip.

さんきゃくいす(sankyakuisu) 【三脚椅子】