the whole body; all four limbs and the trunk
A rare yojijukugo meaning the entire body, emphasizing the four limbs and the torso. Used in literary or formal contexts.
He exercises every day to train his whole body.
全身 is the common word for 'whole body', while 四肢五体 is a rare, literary yojijukugo.
A yojijukugo composed of 四肢 (four limbs) and 五体 (five body parts: head, neck, chest, arms, legs), together meaning the entire body.