耕耘こううん Noun Irregular Transitive English jmdict 1 noun (common) (futsuumeishi) noun or participle which takes the aux. verb suru transitive verb plowing and weeding;farming;cultivation;tillage Other forms 耕うん 【こううん】 · 耕芸 【こううん】 (word containing out-dated kanji or kanji usage)