This is the 5565th most frequent Japanese word.
きつね
"きつね" (kitsune) means "fox."
きつね in this sentence refers to the animal fox, demonstrating its basic noun usage.
あの森にはたくさんのきつねが住んでいます。
Many foxes live in that forest.
きつね is used metaphorically here to describe charm, a common cultural reference for foxes in Japanese literature.
彼女の笑顔はきつねのように魅力的だった。
Her smile was as charming as that of a fox.
きつね in this sentence is part of a dish name, "kitsune udon," referring to a type of noodle soup typically garnished with fried tofu.