Zend Framework: Documentation

referenceMap => an associative array, with information about references from this table to any parent tables. See Section 10.8.2, “Defining Relationships”.

dependentTables => an array of class names of tables that reference this table. See Section 10.8.2, “Defining Relationships”.

This'll probably help to find what your looking for. Thats what defines one-to-many relationships.