erub

Noun

eruv (plural eruvs or eruvim or eruvin)

1. (Jewish, most commonly) An eruv chatzerot; ritual aggregation of properties that allows Jews observing traditional Shabbat rules to carry burdens across property lines.
   • Sam is sad that people don't visit him at home on Shabbos because he lives outside the eruv.
2. (Jewish) One of the other types of eruv; an eruv tavshilin or eruv techumin.