The formal conclusion or execution of an agreement, contract, or treaty.
両社は供給契約を締結した。
The two companies concluded a supply contract.
政府は近隣国と新しい条約を締結した。
The government signed a new treaty with a neighboring country.
契約締結後は双方の責任が明確になる。
After the contract is concluded, the responsibilities of both parties become clear.
Fastening or securing joints; tightening or binding components together (used in technical/engineering contexts).
配管の継ぎ目を確実に締結しておく必要がある。
It's necessary to securely fasten the pipe joints.
ボルトで部品を締結する作業を行った。
We carried out the work of fastening the parts with bolts.
接続部の締結が不十分だと漏れの原因になる。
If the fastening of the connection is insufficient, it can cause leaks.