That's not the way I've seen the term used. A planeo is when the woman brushes with the free foot over the floor (often while you have one of these in-place turns). It's the adorno the woman does, not the turn itself, or it is the turn but only if coupled with this particular adorno (which does not necessarily accompany the turn. [Of course, there are leader planeos as well, in which the man will turn with feet scribing a planeo instead of collecting or doing an enrosque]. Note the free foot of the lady...that's what maks it a planeo rather than "just" an on-axis pivot [see below]. As for the pivot, I think we'll have to agree to disagree on using your definition (for which I am also unable to find an attested source). For me, a pivot can be active or passive, and English supports "pivot" both as a transitive and intransitive verb. When you open the door, you pivot the door around its hinges, but the door pivots .