Purim

[poo r-im; Sephardic Hebrew poo-reem; Ashkenazic Hebrew poo r-im] /ˈpʊər ɪm; Sephardic Hebrew puˈrim; Ashkenazic Hebrew ˈpʊər ɪm/
noun
1.
a Jewish festival celebrated on the 14th day of the month of Adar in commemoration of the deliverance of the Jews in Persia from destruction by Haman.
Origin
< Hebrew pūrīm, plural of pūr lot
British Dictionary definitions for Purim

Purim

/ˈpʊərɪm; Hebrew puːˈriːm/
noun
1.
a Jewish holiday celebrated on Adar 14, in February or March, and in Adar Sheni in leap years, to commemorate the deliverance of the Jews from the massacre planned for them by Haman (Esther 9)
Word Origin
Hebrew pūrīm, plural of pūr lot; from the casting of lots by Haman
Word Origin and History for Purim
n.

Jewish festival on the 14th of Adar (in commemoration of the defeat of Haman's plot), late 14c., from Hebrew purim, literally "lots" (plural of pur), identified with haggoral "the lot" (Esther iii:7, ix:24), perhaps from Akkadian puru "stone, urn," "which itself is prob. a loan word from Sumeric bur" [Klein].

Purim in Culture
Purim [(poor-im)]

A Jewish festival celebrated each spring before Passover. It commemorates the deliverance of the Jews from wholesale slaughter by Haman. (See Esther.)