Definition
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Nowruz (n.) sets a haft-seen table of seven items whose Persian names start with S, from garlic to vinegar.
Nowruz (n.) sends families outdoors on the thirteenth day for a picnic, because staying home that day is unlucky.
Nowruz (n.) cleans the whole house first so the new year has somewhere clean to arrive.
Nowruz (n.) reaches back through Zoroastrian Persia and is kept today by Iranians, Kurds, Afghans, Central Asians, and Bahá'ís.
Nowruz (n.) works like a starting gun fired at the spring equinox, timed to the second.