Definition

A part of a seed that develops into the first leaf or leaves of a plant embryo, which can either stay in the seed or grow and become green after germination.

Example

The cotyledon provides essential nutrients to the developing plant before it can produce its own leaves.

Conversation

Have you seen the little plants I started growing?

Yeah, I noticed them! Are those the ones with the cotyledon?

Exactly! The cotyledon is the first leaf that comes out after they sprout.

That's so cool! I can't wait to see how they grow.

Synonyms & Antonyms

Root Explanation

Cotyledon is derived from the Greek word "kotyledon" (meaning cup or hollow), which refers to the seed leaf in a plant embryo. The term describes the first leaves that appear from a germinating seed, which are often shaped like cups.

Memory Tip

Imagine the first leaves of a plant emerging from a seed, shaped like little cups — that's why cotyledon refers to these seed leaves.

Visually Confused Words