speculum

IPA: spˈɛkjʌɫʌm

(medicine) A medical instrument used during an examination to dilate an orifice.
A mirror, especially one used in a telescope.
(ornithology) A bright, lustrous patch of colour found on the wings of ducks and some other birds, usually situated on the distal portions of the secondary quills, and much more brilliant in the adult male than in the female.
A lookout place.

Examples of "speculum" in Sentences

A speculum is a small metal or plastic tool that holds the inside of the vagina open.
A specially designed speculum is used to help direct the injection into the G-spot, with effects lasting around four months.
Mr. Maudslay was interested in the idea I suggested; and he requested me to show him what I knew of the art of compounding the alloy called speculum metal.
A reflecting telescope of the present day would not be fitted with a mirror composed of that alloy known as speculum metal, whose composition I have already mentioned.
The hen wigeon can be confused with the hen gadwall, but the latter's bill is orange-red and its wing lacks the green stripe separating the speculum from the shoulder patch.
One of the ways to get yourself noticed in Hollywood is to write a "spec" script, which I believe stands for "speculation," "speculative" or "speculum" - but I'm not sure which.
Dr. FEBLES: This is called a speculum, and I put this in their mouth to keep their mouth open so that I can put my hands in there and work without any kind of fear of getting my fingers removed.
Prosecutor Shane Deel told the jury during opening statements that Hawkins purchased the speculum from a sex toy Web site that specializes in bondage items and that he had it mailed from Oregon to arrive by Jan. 31, 2005, when the assault is alleged to have occurred.