>>Wednesday-week is synonymous with "Wednesday next", right?
>
>Yes, as explained directly above
>
>>They do make sense but you won't hear either phrase over here.
>
>Would you say "a week on Wednesday" then, or just "Wednesday next"?
>
>Cos in my mind, if it's, say, Saturday, and you said "Wednesday next", that would mean to me same as "next Wednesday", ie "in 4 days' time", rather than (on) the Wednesday following.

We'd say "Wednesday after next" or "a week from Wednesday."

Tamar