From Wiktionary, the free dictionary
From Hebrew גְּרָ״א (gr"a), acronym of גָּאוֹן רַבֵּנוּ אֵלִיָּהוּ (ga'ón rabéinu 'eliyáhu, “Gaon Rabbeinu Eliyahu”).
Gra
- Elijah ben Shlomo Zalman Kremer, the Vilna Gaon.
- RAG, rag, GAR, arg., gar, Arg., Rag, Gar, RGA, ARG, arg, agr-