koilia denotes the maternal interior most often, and also the bodily interior involved in digestion or used in vivid imagery.

The term most often identifies the maternal interior in statements about birth, conception, and an unborn child. It also names the bodily interior in eating and digestion, and appears in imagery involving flowing water, self-serving desire, and an enclosed creature.

1. Maternal interior in birth and pregnancy · dominant

   The term occurs in clauses about a person being lame or set apart from a mother's womb in Acts 3:2 and Galatians 1:15. In Luke 1:41 the APB renders the child as leaping “in her womb,” while John 3:4 and Matthew 19:12 likewise place the term in statements about entering or being born from a mother's womb.

   Acts 3:2Galatians 1:15John 3:4Luke 1:41Luke 11:27Matthew 19:12
2. Bodily interior for food and ingestion · common

   In Mark 7:19 and Matthew 15:17, the accusative singular form stands in the description of what enters by the mouth, passes through the bodily interior, and is expelled. The APB also renders the term in connection with food in 1 Corinthians 6:13, hunger in Luke 15:16, and the bitter result of eating the scroll in Revelation 10:9.

   1 Corinthians 6:13Luke 15:16Mark 7:19Matthew 15:17Revelation 10:9Revelation 10:10
3. Interior in vivid figurative statements · occasional

   In John 7:38, the genitive singular form occurs in the statement that the APB renders as rivers of living water flowing “from his belly.” Philippians 3:19 and Romans 16:18 use the term in warnings about people whose god or service is directed toward their own belly; Matthew 12:40 uses it for the sea monster's enclosing interior.

   John 7:38Philippians 3:19Romans 16:18Matthew 12:40

In the Anselm Project Bible: The APB variously presents the term as “womb,” “belly,” and “stomach,” according to the verse's wider clause. Because the APB is a whole-verse translation, these English choices indicate the verse context rather than fixed equivalents.