Unity; solidarity—the state of members of a group being united and cooperating to achieve a common goal.
チームが結束して最後まで戦った。
The team united and fought to the end.
地域の災害時には住民の結束が何より重要だ。
In regional disasters, residents' solidarity is more important than anything.
新しいプロジェクトで結束を高めるために合宿を行った。
We held a retreat to strengthen unity for the new project.
Bundling or binding—tying things together with a cord, band, etc.
出荷前に段ボールを結束して倉庫に送った。
Before shipping, we bundled the boxes and sent them to the warehouse.
資材は結束されて届けられたので、そのまま保管した。
The materials were delivered bundled, so we stored them as they were.
Archaic: to put on clothing or armor (an old usage no longer common in modern Japanese).
古文書には武将が出陣前に結束したと書かれている。
Old records state that the commander 'kessoku' (put on his armor) before departing to battle.