Para-anaesthesia \Par`a-an`[ae]s*the"si*a\, -anesthesia \-an`es*the"si*a\, n. [NL.; para- + an[ae]sthesia.] (Med.) An[ae]sthesia of both sides of the lower half of the body. Thermoanaesthesia \Ther`mo*an`[ae]s*the"si*a\ or -anesthesia \-an`es*the"si*a\, n. [NL.] (Med.) Loss of power to distinguish heat or cold by touch.