What's 'seminal'?

  •  
  • 123
  • 4
  • 1
  • English 
Apr 16th 2012 10:25
Seminal fluid.
精液

Seminal bank.
精子バンク

A seminal book.
影響力のある本

Seminal work.
後続に影響を与える重要な仕事

A seminal decade.
揺籃期、胎動期

I guess there's nothing to be confused with. But, it strikes me so odd.