the sea is the mother, and onto the seashore the child is born. Babies come up out of the sea and are spewed out upon the land, like Jonah from the whale. So now the seashore was the mother’s body
Winnicott maps his successive symbolic readings of the seashore—from Freudian intercourse symbol to maternal body to the theoretical problem that eventually crystallized into transitional phenomena.
, Playing and Reality, 1971thesis