Speculum (noun)

1. A medical instrument used to dilate body cavities such as the vagina or rectum, in order to make them visible.
2. A device used in gynecological exams, to hold open the walls of the vagina so that the cervix can be seen.

Origin:

From the latin word speculum ("mirror.")

Examples:

1. The gynecologist used a speculum during the pelvic exam to examine the cervix.
2. The speculum was inserted into the vagina to examine the walls and the cervix.
3. The speculum helped the doctor to see the inside of the vagina and to check for any abnormalities.
4. Speculums come in different sizes to fit the patient's needs and comfort.
5. The speculum is lubricated to make it easier to insert and reduce discomfort.