Re: [edict-jmdict] degonsu でごんす

[René Malenfant <rene_malenfant@***********>]

Actually, just plain "fusion" works better.  "Conjugation" is  
something a little different, limited to ciliate protozoans, and is  
better covered by 接合.
> 合体 【がったい,ごうたい】 (n,vs)
> (1) union
> coalescence
> combination
> (2) fusion (i.e., of gametes)
> (3) (col) sexual intercourse
> copulation

Incidentally, here's what Japanese Wikipedia has to say about 合 
体:
*性行為の俗称。主に「釣りバカ日誌」シリーズで使われる。