Noun
Verb (する, transitive)
1. extension; elongation; prolongation; lengthening
もう一週間だけ、この街への滞在を延長した。I extended my stay in this town by just one more week.
2. (total) length
3. extension (e.g. of one's work); continuation
このくらい、元々の業務の延長ですよ。Something like this is just an extension of my usual work.
4. extension (of a line segment)
5. extension (property of occupying space)
6. Enchō era (923.4.11-931.4.26)
7. extended game; overtime; extra time; extra innings