What does 防～ mean?
防～ is a Japanese prefix meaning “anti-~” or “~-proof (prefix)” in English. It is written as 防～ in kanji, ぼう～ in hiragana, and bou～ in romaji. This word is part of JLPT N2 vocabulary.
NotePrefix for protection against something (防水 = waterproof, 防犯 = crime prevention).
Example sentences
この時計は防水だ。
This watch is waterproof.
防犯カメラを設置した。
We put in a security camera.