interruption; interference; butting in
negligent; careless; slipshod; slovenly; reckless; irresponsible
guiding principle; single-minded policy; one's sole talent; single spear
padded spear (for practice)
spear with curved cross-blades
spear squid (Loligo bleekeri)
Luzula capitata (species of woodrush); shortawn foxtail (Alopecurus aequalis)
Tanakia lanceolata (species of cyprinid)
spear carrier (for the master of a samurai family)