Simple past tense and past participle of joint.(verb)
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Use "jointed" in a sentence
"Is a little thin jointed in his upper body, but his frame has the potential to add more growth. ..."
"Phil taking Larry to task for persisting in calling his jointed bamboo fishing rod a "pole!""
"This is helped, of course, by the fact that geckos 'toes are backwards-jointed, meaning that when they flex their toes they curl upward rather than downward, allowing them to peel their toes from the surface to which they are stuck."