He was so seduced by the waters of Deyumsas that he forgot his learning, and read "HaChodesh HaZeh Lachem [This Month is Yours]" as "HaCheresh Hayah Libam [Their Heart was Deaf and Mute]": Shabbat 147b
The Rabbis prayed for him, and his learning was restored: Shabbat 147b
Rabbi Elazar ben Arach was also called "Rabbi Nehorai," because he enlightened the eyes of the Sages in Law: Shabbat 147b; Eruvin 13b
Rabbi Elazar ben Arach was also named "Rabbi Meir," because of the light he provided: Eruvin 13b
