to insert; to put in (such that there is a snug fit); to have sex; to fuck; to pigeonhole (into a particular category); to place a ring-shaped object around something (esp. one that restricts freedom, such as handcuffs)
Examples (1 in total)
クリスマスの日、トムの右足はまだギプスをはめていた。
On Christmas Day, Tom's right leg was still in a cast.