dayfly
/ˈdeɪˌflaɪ/
noun
- A type of insect that lives only for a short time, often just one day; also called a mayfly.
- A dayfly landed on the window and was gone by evening.
- The children watched the dayfly dance over the pond for a few hours.
- Because it lives so briefly, the dayfly is a symbol of life's shortness.
Synonyms