D defs.my
Entry 1 sense Webster, 1913

Protomartyr

· Pro·to·mar·tyr · IPA
01 n. The first martyr; the first who suffers, or is sacrificed, in any cause; -- applied esp. to Stephen, the first Christian martyr.
  1. 1.
    The first martyr; the first who suffers, or is sacrificed, in any cause; -- applied esp. to Stephen, the first Christian martyr.