Shiur (/ˈʃiːər/, שיעור [ʃiˈʔuʁ], lit. amount; pl.: shiurim שיעורים [ʃiʔuˈʁim]) is a lecture on any Torah topic – such as Gemara, Mishnah, Halakha (Jewish law), Tanakh (Bible) – usually in a yeshiva, although commonly in other settings.