前ぜん駆く

noun, noun or participle which takes 'suru', noun which may take the genitive case particle 'no', intransitive verb

outrider; mounted escort

Historical term for a person riding ahead of a procession or cavalcade. In modern contexts, it can refer to a police motorcycle outrider or ceremonial escort.

• 大だい統とう領りょうの車しゃ列れつの前まえを、白しろバイの前ぜん駆くが走はしっていた。

  A police motorcycle outrider was riding ahead of the president's motorcade.

noun, noun or participle which takes 'suru', noun which may take the genitive case particle 'no', intransitive verb

harbinger; precursor; forerunner

Figurative use for something that signals or precedes a future event or trend. Often used with ～となる or ～として. Sense 3 (anticipation) is closely related and merged here.

• この技ぎ術じゅつは次じ世せ代だいロボットの前ぜん駆くとなるだろう。

  This technology will be a precursor to next-generation robots.

• 春はるの訪おとずれを告つげる前ぜん駆くの花はなが咲さいた。

  The harbinger flowers that announce the arrival of spring have bloomed.