What does 小石 mean?
小石 is a Japanese noun meaning “pebble” or “small stone” in English. It is written as 小石 in kanji, こいし in hiragana, and koishi in romaji. This word is part of JLPT N1 vocabulary.
Example sentence
少年は犬をめがけて小石を投げつけた。
The boy threw a stone at the dog.