Hanukkah bush n. a small tree decorated by some (secular) Jews at the time of the Jewish holiday Hanukkah, in imitation of the Yule or Christmas tree. Editorial Note: Alexander Tille in 1892 wrote in the article “German Christmas and the Christmas-Tree” in the journal Folklore (July 1892, vol. 3, no. 2, p. 170) that in Germany “the Christmas-tree has long since broken through the barrier of different creeds, and many Jewish families have adopted it to celebrate Yuletide.” (source: Double-Tongued Dictionary)
Further reading
Michael from Jones, Michigan, says he was stationed on a U.S. Army base in Germany in the early 1960s. If there was a gust of cold wind, a fellow soldier would say the hawk’s out. This expression is largely associated with Chicago, Illinois...
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Chanukah is the correct spelling for the jewish holiday, get it right
No Anglophone dictionary-maker agrees with you about what is “correct.” Hannukah is the more common, most-often preferred form. Either one is a valid and acceptable transliteration of the Hebrew characters ×—× ×›×” or ×—× ×•×›×”.