桜前線

1. Origins, structure, and basic meaning

• Structure: 桜前線, read さくらぜんせん, combines cherry blossoms 桜 with mapped front 前線 as a figurative seasonal term.
• Basic usage: It figuratively maps the movement of cherry-blossom timing as a front, as in 桜前線が北へ進む.

2. Common pitfalls and similar expressions

• Scope and context
  • It is not a meteorological front itself, but a representation connecting regional blossom dates.