What does "Ki Sechel Liznos mean"? What case is the Pasuk referring to?
Rashi: It refers to the daughter of a Kohen who is either betrothed or married 1 who profanes herself by committing adultery with another man.
Rashbam (citing Sanhedrin, 50a) and Targum Yonasan: It refers to the daughter of a Kohen who is betrothed, who profanes herself by committing adultery.
Targum Onkelos: It refers to a woman who profanes herself by committing adultery.
Rashi: This is subject to a Machlokes Tana'im in Sanhedrin, 51b.
What does the Pasuk mean when it writes "Es Avihah Hi Mechaleles"?
Rashi: It means that she profanes the honor of her father - when people say 'Cursed be the man who fathered this woman! Cursed be the one who reared her!'
Targum Onkelos: It means that she profanes herself from the Kedushah of her father.
Targum Yonasan: It means that she profanes herself whilst she is still in her father's house.
Why does the Torah write "ba'Eish Tisaref" in the singular?
Why is specifically a bas Kohen punished by Sereifah?
Ba'al ha'Turim: Because most of the acts of the Kohanim are performed with fire.
Hadar Zekenim: Because her father is distinguished, she is judged with a harsher Misah.