The Collaborative International Dictionary of English v.0.48:
Juryman \Ju"ry*man\, n.; pl. Jurymen. One who is impaneled on a jury, or who serves as a juror. [1913 Webster]WordNet (r) 3.0 (2006):
juryman n 1: someone who serves (or waits to be called to serve) on a jury [syn: juror, juryman, jurywoman]