mahzor

noun, plural mah·zo·rim [Sephardic Hebrew mahkh-zaw-reem; Ashkenazic Hebrew mahkh–zoh–rim] /Sephardic Hebrew mɑx zɔˈrim; Ashkenazic Hebrew mɑxˈzoʊ rɪm/, English mah·zors. Hebrew.

1. a Jewish prayer book designed for use on festivals and holy days.

noun plural -zorim (-zɔˈriːm, English -zəˈriːm)

1. a variant spelling of machzor