epi·coelia \|epə̇, |epē+\noun alsoep·i·coeleorep·i·cele\ˈepəˌsēl\ (pluralepicoeliaealsoepicoelesorepiceles) Etymology:epicoelia, New Latin, from epi- + coelia; epicoele, epicele from epi- + -coele, -cele : the cavity of the metencephalon : the anterior part of the 4th ventricle of the brain