WordNet (r) 3.0 (2006):

somesthesia
    n 1: the perception of tactual or proprioceptive or gut
         sensations; "he relied on somesthesia to warn him of
         pressure changes" [syn: somesthesia, somaesthesia,
         somatesthesia, somatic sensation]
    2: the faculty of bodily perception; sensory systems associated
       with the body; includes skin senses and proprioception and
       the internal organs [syn: somesthesia, somesthesis,
       somaesthesia, somaesthesis, somatesthesia,
       somataesthesis, somatosensory system, somatic sensory
       system, somatic sense]