An example of a cotyledon is the first two leaves that sprout from a sunflower seed.
Origin of cotyledon
- Latin cotylēdōn navelwort from Greek kotulēdōn from kotulē hollow object
From American Heritage Dictionary of the English Language, 5th Edition
- From Latin cotyledon, from Ancient Greek κοτυληδών (kotulēdōn, “cup-shaped cavity”), from κοτύλη (kotulē, “cup”).