D defs.my
Entry 4 senses Webster, 1913

Spectacle

/spĕk'-tək-əl/ · Spec·ta·cle · IPA /ˈspɛktəkl̩/
01 n. Something exhibited to view; usually, something presented to view as extraordinary, or as unusual and worthy of special notice; a remarkabl…
  1. 1.
    Something exhibited to view; usually, something presented to view as extraordinary, or as unusual and worthy of special notice; a remarkable or noteworthy sight; a show; a pageant; a gazingstock.
    “O, piteous spectacle? O, bloody times!” Shak.
  2. 2.
    A spy-glass; a looking-glass.[Obs.]
    “Poverty a spectacle is, as thinketh me, Through which he may his very friends see.” Chaucer.
  3. 3.
    An optical instrument consisting of two lenses set in a light frame, and worn to assist sight, to obviate some defect in the organs of vision, or to shield the eyes from bright light.
  4. 4.
    Fig.: An aid to the intellectual sight.
    “Shakespeare . . . needed not the spectacles of books to read nature.” Dryden.