somaticPronunciation: /səˈmatɪk/Definition of somatic adjective relating to the body, especially as distinct from the mind: patients completed a questionnaire about their somatic and psychological symptoms Biology relating to the soma. Derivatives somatically adverb Origin: late 18th century: from Greek sōmatikos, from sōma 'body'somatic in other Oxford dictionaries Definition of somatic in the US English dictionary