Definition of dicotyledon noun from the Oxford Advanced Learner's Dictionary



BrE BrE//ˌdaɪkɒtɪˈliːdən//
; NAmE NAmE//ˌdaɪkɑːtɪˈliːdən//
(also dicot
BrE BrE//ˈdaɪkɒt//
; NAmE NAmE//ˈdaɪkɑːt//
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a plant whose seeds form embryos that produce two leaves compare monocotyledon Word Originearly 18th cent.: from modern Latin dicotyledones (plural), from di- ‘two’ + cotyledon, from Greek kotulēdōn ‘cup-shaped cavity’, from kotulē ‘cup’.
See the Oxford Advanced American Dictionary entry: dicotyledon