1. (noun)Grimm, Wilhelm Grimm, Wilhelm Karl Grimm the younger of the two Grimm brothers remembered best for their fairy stories (1786-1859)
2. (noun)Grimm, Jakob Grimm, Jakob Ludwig Karl Grimm the older of the two Grimm brothers remembered best for their fairy stories; also author of Grimm's law describing consonant changes in Germanic languages (1785-1863)