Protomartyr \Pro"to*mar`tyr\, n. [LL., fr. Gr. ?; ? first + ?
martyr: cf. F. protomartyr. See {Proto-}, and {Martyr}.]
The first martyr; the first who suffers, or is sacrificed, in
any cause; -- applied esp. to Stephen, the first Christian
martyr.
[1913 Webster]