柯林斯詞典dicotyledon /da??k?t??li?d?n, ?da?k?t-/ →compare monocotyledon 1. N any flowering plant of the class Dicotyledonae, normally having two embryonic seed leaves and leaves with netlike veins. The group includes many herbaceous plants and most families of trees and shrubs 雙子葉植物 返回 dicotyledon劍橋詞典a plant that produces flowers and has two cotyledons (= leaf parts inside the seed ) 雙子葉植物（種子有兩片子葉的植物） 返回 dicotyledon