1640s, "seat of the soul" in the brain, from Late Latin sensorium, from sens-, past participle stem of sentire "to feel" (see sense (n.)) + -orium (see -ory).
sensorium sen·so·ri·um (sěn-sôr'ē-əm)n. pl. sen·so·ri·ums or sen·so·ri·a (-sôr'ē-ə)
The part of the brain that receives and coordinates all the stimuli conveyed to various sensory centers.
The sensory system of the body.