military academy, (especially) the Imperial Japanese Naval Academy

school supported by a pro-North Korean organization

school grammar / (specifically) Japanese school grammar, based on Shinkichi Hashimoto's work and now universally employed in Japanese schools and dictionaries.

健夫: a male given name / 建夫: a male given name

縦横, 経緯: length and breadth; warp and woof

縦笛, 竪笛: vertical flute; recorder (musical instrument)

to scratch with the hand in a claw position

to stand, to place in an upright position / to release something physical but not solid or liquid / (Internet slang) to start (a thread)

to build, to construct

warp and woof