掌しょう状じょう脈みゃくしょうじょうみゃくMeanings1nounpalmate venation; palmate veinbotany›Botanical term describing a leaf vein pattern where several main veins radiate from a single point, like fingers from a palm.カエデの葉はは掌しょう状じょう脈みゃくを持もつ