cotyledon

play
noun cot·y·le·don \ ˌkä-tə-ˈlē-dᵊn \

Definition of cotyledon

1 :a lobule of the mammalian placenta
2 :the first leaf or one of the first pair or whorl of leaves developed by the embryo of a seed plant or of some lower plants (such as ferns) — see seedling illustration

cotyledonary

play \ˌkä-tə-ˈlē-də-ˌner-ē\ adjective

Origin and Etymology of cotyledon

New Latin, from Greek kotylēdōn cup-shaped hollow, from kotylē cup, anything hollow


Medical Dictionary

cotyledon

play
noun cot·y·le·don \ ˌkät-ᵊl-ˈēd-ᵊn \

medical Definition of cotyledon

1 :a lobule of a mammalian placenta
2 :the first leaf or one of the first pair or whorl of leaves developed by the embryo of a seed plant or of some lower plants (as ferns)

cotyledonary

play \-ˈēd-ᵊn-ˌer-ē\ adjective

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