1. Helvidian - Noun
2. Helvidian - Adjective
Helvidian (comparative more Helvidian, superlative most Helvidian)
(Christianity, historical) Of or relating to Helvidius, the author of a work written prior to 383 against the belief in the perpetual virginity of Mary.
Helvidian (plural Helvidians)
(Christianity, historical) A supporter of Helvidius' religious views.