Definition for SPEC'U-LUM

SPEC'U-LUM, n. [L.; G. and D. spiegel; Sw. spegel; Dan. spejl.]

  1. A mirror or looking glass.
  2. A glass that reflects the images of objects.
  3. A metallic reflector used in catadioptric telescopes.
  4. In surgery, an instrument for dilating and keeping open certain parts of the body. – Coxe.

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