typography - Word for centered page as opposed to recto/verso

In bookmaking, in a left-to-right-reading language such as English, the terms rēctō (folium rēctum) and versō (folium versum) are used to differentiate the right-hand and left-hand pages of an open

Leonardo da Vinci, Allegory on the Fidelity of the Lizard (recto); Design for a Stage Setting (verso)

Typologie, a typographic palette by Studio Recto Verso — Kickstarter

On upper left of image hi-res stock photography and images - Page 8 - Alamy

Display Margins & Centering

Recto: preliminary design for title page for the print series Venationes Ferarum Arium Piscium; Verso: notes by Stradanus about payments to a tailor, Jan van der Straet, called Stradanus, Flemish, 1523–1605, Pen

A Helpful Introduction to How to Organize Page Numbers for Your Book, Catalog, or Other Print Project

Jelly Fish Book, Nippon Design Center, Recto Verso Gallery, D&AD Awards 2013 Pencil Winner, Catalogues & Brochures

BEUYS, Joseph, BREHMER, K. P. et al. Marksgrafik. Cologne: Art Interme – Oliver Wood Books

Latin Scripts - Gothic Textualis