from koilos, "hollow" (Lat., coelum, "heaven," is connected), denotes the entire physical cavity, but most frequently was used to denote "the womb." In Joh 7:38 it stands metaphorically for the innermost part of man, the soul, the heart. See WOMB.
<2,,1064, gaster>
(cp. Eng., "gastritis"), is used much as No. 1, but in Tit 1:12, by synecdoche (a figure of speech in which the part is put for the whole, or vice versa), it is used to denote "gluttons," RV, for AV, "bellies." See GLUTTON, WOMB.