expression, noun
way of the sword; swordsmanship
Refers to the philosophical and practical path of swordsmanship, often associated with martial arts traditions such as kendo. The cross-reference to 道 (みち) sense 8 suggests a meaning akin to 'the way' or 'path' as a discipline.
See also: 道 (みち)
彼は剣の道を極めるために日々稽古に励んでいる。
He trains every day to master the way of the sword.