Wikipedia:Articles for deletion/Three-stage-to-orbit
This is nothing like a dictionary definition.   explains the difference and the nomination misrepresents this.  It's the usual "''perennial source of confusion is that a stub encyclopedia article looks very much like a dictionary entry, and stubs are often poorly written''".  The actual policies which apply here include  and 
— user:Andrew, 15:00, 13 September 2020 (UTC)
Stance: keep
Cited policy: WP:DICDEF||WP:ATD||WP:IMPERFECT (Wikipedia:Wikipedia is not a dictionary)