1. a grand [great] project; a heroic attempt
    • ヨットによる世界一周の壮挙を成し遂げた[についた]
    • He completed [is on] a grand round-the-world voyage on a yacht.
    • 我が党は全員当選の壮挙を成し遂げた
    • We achieved the splendid [magnificent] feat of having all our candidates elected.
    • 彼は犬ぞりで北極を目ざす壮挙に出発した
    • He started out on a daring attempt to reach the North Pole by dogsled.