TgJ 1Sam17:41 :וַאְזַל פְלִשתָאָה אָזֵיל וֻקָרֵיב לְוָת דָוִד וְגֻברָא נָטֵיל תְרִיסָא קֳדָמוֹהִי‏ : the Philistine kept coming nearer and nearer to David, with a the shield bearing man in front of him
See the entire entry for trys n.m. shield