TgJ 1Sam17:21 :וְסַדַרוּ יִשרָאֵל וֻפלִשתָאֵי סִדרָא לְקַדָמוּת סִדרָא‏ : Israel and the Philistines arrayed troops line against line
See the entire entry for sḏar (seḏer), seḏrā n.m. order; rank