Search Result for "twilight sleep":
Wordnet 3.0

NOUN (1)

1. a state of general anesthesia in which the person retains a slight degree of consciousness; can be induced by injection of scopolamine or morphine; 



WordNet (r) 3.0 (2006):

twilight sleep
    n 1: a state of general anesthesia in which the person retains a
         slight degree of consciousness; can be induced by injection
         of scopolamine or morphine