COLUMBARIUM Meaning of COLUMBARIUM in English [col.um.bar.i.um] n, pl -ia [L, lit., dovecote, fr. columba dove] (1846) 1: a structure of vaults lined with recesses for cinerary urns 2: a recess in a columbarium Merriam-Webster English vocab. Английский словарь Merriam Webster. 2012