LOGAN STONE Meaning of LOGAN STONE in English [ 'lɒg(ə)n , 'ləʊg(ə)n ]■ noun a boulder poised in such a way that it can be easily rocked.OriginC18: from logging (from dialect log 'to rock'). Concise Oxford English vocab. Сжатый оксфордский словарь английского языка. 2004