Easton's Bible Dictionary (1897)
(Phil. 1:8; 2:1; Col. 3:12), compassionate feelings; R.V., “tender mercies.”
Hastings' Dictionary of the Bible (1898) & Schaff's Bible Dictionary
BOWELS . As we use the terms heart, breast, bosom, so this term is used by the sacred writers, evidently in a figurative sense, for affections or emotions of the heart. Col 3:12; 1 John 3:17.