noun🔗Shareメインセイル, 主帆The largest (or only) sail on a sailing vessel."The sailor hoisted the mainsail, and the boat began to move faster across the water. "船乗りはメインセイルを掲げ、ボートは水面をより速く動き始めた。nauticalsailingvehicleChat with AIVocabulary GamePractice Reading
