Definition of Filial
Filial: 1. In genetics, the first generation that results from the crossing of two parental lines, as the filial generation. 2. In general, pertaining to the relationship of children, both sons and daughters, to their parents.
From the Latin filialis, from filius (son) and filia (daughter).Source: MedTerms™ Medical Dictionary
Last Editorial Review: 6/14/2012