地ち下か茎けいちかけいFreq.FrequencyTop 100,000Meanings1noununderground stem; rhizomebotany›Botanical term for stems that grow horizontally underground, such as rhizomes, tubers, and corms. Contrasts with 地上茎 (above-ground stem).See also: 地上茎竹たけは地ち下か茎けいで広