mezuzah

noun2

1. •
   A piece of parchment inscribed with specific Hebrew verses from the Torah (Deuteronomy 6:4–9 and 11:13–21) and attached in a case to the doorpost of a house.

   • Lubavitchers, Penansky says, believe mezuzahs need no adornment and simply wrap them in cellophane. — 1988
2. •
   An object of similar function in the Samaritan tradition.