What does かかと mean?
かかと is a Japanese noun meaning “shoe heel” in English. It is written as かかと in hiragana, and kakato in romaji. This word is part of JLPT N1 vocabulary.
Example sentence
あんなにかかとの高い靴はいてたら、すぐに捻挫しちゃうよな。
If I tried to wear shoes with heels that high, I'd sprain my ankle.