Noun: speculum (specula) spe-kyû-lum
- A medical instrument for dilating a bodily passage or cavity in order to examine the interior
"The doctor used a speculum during the gynecological examination"
- A mirror (especially one made of polished metal) for use in an optical instrument
"The telescope's speculum reflected the light from distant galaxies"
Derived forms: specula
Type of: medical instrument, mirror
Encyclopedia: Speculum