茨いばら

noun

thorny shrub; wild rose; briar

Refers to thorny plants in general, especially wild roses. Sense 2 notes that 薔薇 is often used for roses specifically.

• 道みち端ばたに茨いばらが生おい茂しげっていた。

  Thorny shrubs grew thickly along the roadside.

• 茨いばらの花はなが咲さいている。

  The wild roses are blooming.

noun

thorn

Specifically the sharp point on a plant. Often used metaphorically for hardship (e.g., 茨の道).

• 指ゆびに茨いばらが刺ささった。

  A thorn got stuck in my finger.

noun

cusp (architecture)

Technical term in architecture for a pointed projection, such as on a Gothic window.

• ゴシック建けん築ちくの窓まどには茨いばらの装そう飾しょくが見みられる。

  Cusp decorations can be seen on Gothic architecture windows.