A very good tool for looking up definitions because it provides great examples of them. Also it is very useful for finding phrases and terms like that because there is a blog in which people can add their own comments and suggestions about a term or translation.
Del portal de la Real Academia Española se puede acceder a diccionarios, gramáticas, corpora, bases de datos, obras académicas, literarias y lingüísticas en lengua española.
C. Baziotis, M. Artetxe, J. Cross, and S. Bhosale. Proceedings of the 2022 Conference on Empirical Methods in Natural Language Processing, page 1170--1185. Abu Dhabi, United Arab Emirates, Association for Computational Linguistics, (December 2022)