Speculum
WordNet
noun
(1) A medical instrument for dilating a bodily passage or cavity in order to examine the interior
(2) A mirror (especially one made of polished metal) for use in an optical instrument
WiktionaryText
Etymology
, diminutive form from root spec-, to look at + diminutive suffix -ulum.
Noun
- A medical instrument used during an examination to dilate an orifice.
- A mirror.