bowels

bowels
    n 1: the center of the Earth
    

Bowels
(Phil. 1:8; 2:1; Col. 3:12), compassionate feelings; R.V.,
"tender mercies."
    

60 Moby Thesaurus words for "bowels":
      abdomen, anus, appendix, belly, blind gut, bottomless pit, brain,
      cecum, colon, core, deep space, deeps, depths, duodenum,
      endocardium, entrails, foregut, gaping depths, giblets, gizzard,
      gut, guts, heart, hell, hindgut, infernal pit, innards,
      inner mechanism, insides, interior, internals, intestine,
      intestines, inwards, jejunum, kidney, kishkes, large intestine,
      liver, liver and lights, lung, midgut, nether world, outer space,
      perineum, pump, pylorus, rectum, small intestine, spleen, stomach,
      ticker, tripes, underworld, unfathomed deeps, unknown depths,
      vermiform appendix, viscera, vitals, works