noun🔗ShareスピンネーカーA supplemental sail to the mainsail, especially a triangular one, used on yachts for running before the wind."The sailboat crew raised the colorful spinnaker as they turned downwind, catching the breeze and speeding towards the finish line. "ヨットの乗組員は、風下に向きを変え、風を捉え、フィニッシュラインに向かって加速しながら、カラフルなスピンネーカーを掲げました。nauticalsailingsportvehicleChat with AIVocabulary GamePractice Reading