n.
Pronunciation: ' si-d ə r, - ˌ du ̇ r
Function: noun
Inflected Form: plural sid · du · rim \ s ə - ' du ̇ r- ə m \
Etymology: Late Hebrew sidd ū r, literally, order, arrangement
Date: circa 1864
: a Jewish prayer book containing liturgies for daily, Sabbath, and holiday observances