TgO Ex13:2 :כֹל בוּכרָא פָתַח כָל וַלדָא‏ :
See the entire entry for wld n.m. fetus, newborn

TgO Ex13:2 :אַקדֵיש קְדָמַי כֹל בוּכרָא פָתַח כָל וַלדָא‏ : dedicate every first-born to me, one who opens the womb
See the entire entry for qdš vb. to become sanctified