m An impression upon the mind so vivid as to produce a dream, or to occasion, during waking hours, a perception as of a real object;--caused by earnestness of expectation, intensity of dread, or ardent contemplation of some project.
m An impression upon the mind so vivid as to produce a dream, or to occasion, during waking hours, a perception as of a real object;--caused by earnestness of expectation, intensity of dread, or ardent contemplation of some project.