Search Issues: Update 2026-09-16 - Repairs to some of our search pages are ongoing. Thank you for your continued patience!
Meanwhile, elements of the Advanced Search are working and the Alphabetical Listings are working, too.
Search Issues: Update 2026-09-16 - Repairs to some of our search pages are ongoing. Thank you for your continued patience!
Meanwhile, elements of the Advanced Search are working and the Alphabetical Listings are working, too.
an obstacle or barrier to prevent an invasion or the discovery of something (see Molina and the Diccionario de la Real Academia Española)