LEARNit Dictionary
cotyledon
noun
/ˌkɒtɪˈliːdn/
UK
/ˌkɑːtɪˈliːdn/
US
1
a part inside a seed that looks like a small leaf, which the developing plant uses as a store of food. Cotyledons are the first parts of the seed to appear above the ground when it begins to grow.
برگ ابتدایی, برگچه جنینی