siddur
Concise Oxford English Dictionary © 2008 Oxford University Press:
siddur /ˈsɪdʊə/
▶noun (pl. siddurim /-rɪm/) a Jewish prayer book containing prayers and other information relevant to the daily liturgy.
– origin Heb. siddūr, lit. ‘order’.
'siddur' also found in these Oxford entries:

