Meaning of お八 in Japanese

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Definition of お八

おやつ(oyatsu) 【お八つ ·お八 ·御八つ】

(n) between meal snack
三郎はテーブルの上に出されたおやつをガッと取った。
Saburo snatched up all the snacks that were sitting on the table.
mid-afternoon (around 3 o'clock) snack; afternoon refreshment; afternoon tea →Related words: 八つ時
おやつにプリンを食べた。
I had some custard pudding for an afternoon snack.

さんじのおやつ(sanjinooyatsu) 【３時のおやつ ·三時のおやつ ·三時のお八つ】

(exp) afternoon refreshment; afternoon tea
別荘にもどって、三時のおやつ。
Returned to the villa, afternoon snack.