noun🔗ShareキールソンA longitudinal beam fastened on top of the keel of a vessel for strength and stiffness."The shipwright carefully bolted the thick keelson to the keel, adding vital strength to the wooden boat's structure. "船大工は、木造船の構造に重要な強度を加えるため、分厚いキールソンを竜骨に注意深くボルトで固定しました。nauticalstructurevehicleChat with AIVocabulary GamePractice Reading
