What does 締める mean?
締める is a Japanese verb meaning “to tie, to fasten, to tighten” in English. It can also be translated as “to wear (necktie, belt), to total, to be strict with” depending on context. It is written as 締める in kanji, しめる in hiragana, and shimeru in romaji. This word is part of JLPT N4 vocabulary.
Example sentence
離陸の際は、シートベルトを締めなくてはならない。
You must fasten your seat belts during take-off.