三さん陸りくTop 20000MeaningsNoun1. Sanriku (the three former provinces of Rikuzen, Rikuchū and Rikuō)Kanji used三three陸landUsed in vocabulary三さん陸りく沖おき地じ震しんSanriku offshore earthquake (esp. June 15, 1896, March 3, 1933, and March 11, 2011); Sanriku earthquakeNoun