I think people understand that "senior" can have different meanings depending on the context. As an actual senior (over 60 years old) I don't take offense -- gi

I think people understand that "senior" can have different meanings depending on the context. As an actual senior (over 60 years old) I don't take offense -- give me the senior discount! As part of a job title "Senior" doesn't mean anything, and probably never did, but it certainly never referred to age.