Source : Webster's Revised Unabridged Dictionary (1913)

Torpor \Tor"por\, n. [L., from torpere, to be torpid.]
   1. Loss of motion, or of the motion; a state of inactivity
      with partial or total insensibility; numbness.

   2. Dullness; sluggishness; inactivity; as, a torpor of the
      mental faculties.

Source : WordNet®

torpor
     n 1: a state of motor and mental inactivity with a partial
          suspension of sensibility; "he fell into a deep torpor"
          [syn: {torpidity}]
     2: inactivity resulting from torpidity and lack of vigor or
        energy [syn: {listlessness}, {torpidity}, {torpidness}]