body temperature

:  the main part of a plant or animal body especially as distinguished from limbs and head :  trunk

:  the main, central, or principal part: such as

:  the nave of a church

:  to give form or shape to :  embody

:  represent, symbolize

:  degree of hotness or coldness measured on a definite scale

:  the degree of heat that is natural to the body of a living being

:  abnormally high body heat