Definitions for "Ancestors"
persons from whom one is descended, especially those more remote than grandparents
(topographic ancestors) The ancestors of a peak are its parent peak, and the parent of its parent, and so on. See also descendant.
people from whom you are descended; your relatives.
In Old Testament study this refers to the forebears of the nation of Israel; the patriarchs and matriarchs of the Hebrews, usually Abraham and Sarah, Isaac and Rebekah, Jacob and Rachel and Leah, and sometimes the twelve sons of Jacob. See Biblical Story.
spiraling, tornado-like dust plumes that traverse the playa, either produced by wind or by heat from large fires, such as the Man burning.
An ancestor of a goal is any goal that the system is trying to solve when it calls that goal. The most distant ancestor is the goal that was typed at the top-level prompt.
All classes above a class in the inheritance hierarchy.