411 REFERENCE · Wiktionary
Shabbat lamp
Reference material by Wiktionary contributors. This retains its source identity and is not 411 news reporting.
English
Alternative forms
en sabbath lamp Sabbath lamp shabbat lamp
Noun
A lamp with movable parts to expose or block its light, so that it can be lit or dimmed without using electrical power and thus (by some interpretations) without violating Jewish prohibitions against work on the Sabbath.