[mahr-tir-ee-uh
m] 
[-tir-ee-uh] . | 1. | a place where the relics of a martyr are kept. |
| 2. | a church built above the tomb of a martyr or in honor of a martyr. |
| mar·tyr·i·um (mär-tîr'ē-əm) n. pl. mar·tyr·i·a (-ē-ə) A church or other edifice built at a site, especially a tomb, associated with a Christian martyr or saint. [Medieval Latin, from Greek marturion, from martus, martur-, martyr.] |