lit: "*Commemoration of the Destruction*"; Posts regarding the Rabbinic enactments that commemorate the destruction of the Temple.
also, zecher-lchurban, zekher-lhurban, amah-by-amah; lit: "Commemoration of the Destruction"; Posts regarding the Rabbinic enactments that commemorate the destruction of the Temple, particularly the square cubit left unfinished opposite the door in homes built for Jews. (Also, e.g. a ban on music.) It is one of the (sets of) laws that is mentioned by the Talmud but was seemingly not widely practiced by the masses. The halachic commentators and codifiers give different explanations of the lenient practices. It has experienced some resurgence in observation in many circles in contemporary times.