Not sure where I heard this, but thought it was funny (paraphrasing slightly here):
Non-technical technical architect: someone involved in or responsible for the technical architecture of a system who has a rough idea of the concerns of architecture at a high level, but has no previous experience in actually building systems.
You don’t have to have had hands on experience in development language x or technology y in order to understand the architectural concerns of a system, but to have no prior development experience at all is somewhat of a disadvantage to understanding what actually works or doesn’t work, don’t you think?