antcestor ant-ces-tor noun An ant, typically one more remote than a grandparent, that lives in the family tree and from whom one is descended. SEE ALSO: crocroach, cannybull Share this:Click to share on Twitter (Opens in new window)Click to share on Facebook (Opens in new window)Click to share on Tumblr (Opens in new window)Click to share on Pinterest (Opens in new window)Click to share on Reddit (Opens in new window)Click to email a link to a friend (Opens in new window)Like this:Like Loading... Related