In Adon Olam some translate the words מְנָת כּוֹסִי in the antepenultimate stanza as “the portion of my cup”. (Wikipedia translates as “Filling my cup” but I do not see that meaning in מְנָת.) For ...
Why do we sing "chad gadya" at the pesach seder? What is it supposed to be about? Also, as a side question, is it "d'zabin aba" or "dizvan aba"?