Os Capitatum is a small bone located in the center of the wrist, also known as the "bone of the wrist." A few synonyms for the Os Capitatum include the Capitate bone, Capitate, and the os magnum. It is one of the most important bones in the wrist as it helps connect the wrist to the arm and allows for a range of motions such as flexion, extension, abduction, adduction, and rotation. Knowing synonyms for this bone may come in handy when describing injuries or discussing a patient's wrist anatomy. These terms can be used interchangeably to ensure clear communication between medical professionals and patients.