Meaning of camera lucida

cam'era lu'ci•da

Pronunciation: (l'si-du), [key]
  1. an optical instrument, often attached to the eyepiece of a microscope, by which the image of an external object is projected on a sheet of paper or the like for tracing.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.