H6363A
פֶּ֫טֶר
firstborn
firstborn, firstling, that which separates or first opens Also means: pit.rah (פִּטְרָה "firstborn" H6363B)
Full Brown-Driver-Briggs lexicon entry
פֶּ֫טֶר noun [masculine] that which separates, first opens; — construct, רֶחֶם ׳פּ i. e. firstborn, of man and beast, Ezek 20:26; Exod 13:12; Exod 13:15; Exod 34:19; Num 18:15 appositive בְּכוֺר Exod 13:2; Num 3:12 רֶחֶם omitted Exod 13:12; Exod 13:13; Exod 34:19; Exod 34:20.
[פִּטְרָה] noun feminine id., פִּטְרַת כָּלרֶֿחֶם Num 8:16.
8 occurrences
Exodus (5), Numbers (2), Ezekiel (1)