Stomach

stum'-uk (stomachos):

In man and most vertebrates, a membranous sac-like portion of the alimentary canal, in which the earlier stages of digestion take place and in which food is prepared to yield its nourishment (1 Timothy 5:23).

Used figuratively of pride, "A proud look and high stomach" (Psalms 101:7, Prayer-book Version), and courage, "Stirring up her womanish thoughts with a manly stomach" (2 Macc 7:21 the King James Version, the Revised Version (British and American) "with manly passion").