Either side of centerline?

Merriam-Webster says that it can be both

Definition of either

1. : being the one and the other of two : each <flowers blooming on either side of the walk> <plays either instrument well>
2. : being the one or the other of two <take either road>

JPH, post: 405099, member: 6636 wrote: Merriam-Webster says that it can be both

Definition of either

1. : being the one and the other of two : each <flowers blooming on either side of the walk> <plays either instrument well>
2. : being the one or the other of two <take either road>

Wow! Does that not imply that the words "and" and "or" have the identical meaning? That's just wrong! "And" is inclusive while "Or" is exclusive!

Screwy!