noun, plural mar·tyr·i·a [mahr-tir-ee-uh] /mɑrˈtɪr i ə/.
a place where the relics of a martyr are kept.
a church built above the tomb of a martyr or in honor of a martyr.
Origin of martyrium
From Late Latin, dating back to 1705–15; see origin at martyry
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019