a condition in which consciousness and feeling seem to be temporarily lost, and the muscles become rigid: it may occur in epilepsy, schizophrenia, etc.
A condition characterized by lack of response to external stimuli and by muscular rigidity, so that the limbs remain in whatever position they are placed. It is known to occur in a variety of physical and psychological disorders, such as epilepsy and schizophrenia, and can be induced by hypnosis.