Nice try, bucko. Without regard to the nature of the OP article, they changed the definition to accommodate a CLEARLY DEFINED EXPERIMENTAL COMPOUND which REMAINS under clinical trials. Furthermore, as I elaborated here, they are NOT 'vaccines' and are unproven to do anything but as stipulated by the CDC (which states NOTHING about blocking/preventing infection, aka preventing disease.
Below is the definition from 2006:
And from November 2019:
If I was also to arbitrarily change the definition of Conservative 'because it suits me', you would no longer qualify.
I also noticed the nice change they made under vaccine in the dictionary. Quite frankly, until this last year, mRNA was not a vaccine, by definition. Funny what you can get done without most people noticing.