1. Noun, Suru verb, Intransitive verb, Noun which may take the genitive case particle 'no'

   1.

   going ahead; going first

2. 2.

   preceding; coming before; being ahead (e.g. of the times); occurring first

3. Noun, Suru verb, Intransitive verb

   3.

   scoring first; getting off to a lead

Example sentences

• トム先行ってて。すぐ追いつくから。

  You go ahead, Tom. I'll catch up soon.

• 先行詞がthis,that,these,thoseの場合はwhichを用いるのが普通です。

  When the antecedent is this, that, these or those it is usual to use 'which'.