COTYLEDON

cotyledon, seed leaf

(noun) embryonic leaf in seed-bearing plants

Source: WordNet® 3.1


Etymology

Noun

cotyledon (plural cotyledons)

(physiology) Each of the patches of vili on the foetal chorion of ruminants and some other mammals.

(botany) The leaf of the embryo of a seed-bearing plant; after germination it becomes the first leaves of the seedling.

Synonyms

• seed leaf

Source: Wiktionary


Cot`y*le"don (kt`-l"dn), n. Etym: [Gr.Cotyle.]

1. (Anat.)

Definition: One of the patches of villi found in some forms of placenta.

2. (Bot.)

Definition: A leaf borne by the caulicle or radicle of an embryo; a seed leaf.

Note: Many plants, as the bean and the maple, have two cotyledons, the grasses only one, and pines have several. In one African plant (Welwitschia) the cotyledons are permanent and grow to immense proportions.

Source: Webster’s Unabridged Dictionary 1913 Edition



RESET




Word of the Day

17 June 2025

RECREANT

(adjective) having deserted a cause or principle; “some provinces had proved recreant”; “renegade supporters of the usurper”


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Coffee Trivia

The Boston Tea Party helped popularize coffee in America. The hefty tea tax imposed on the colonies in 1773 resulted in America switching from tea to coffee. In the lead up to the Revolutionary War, it became patriotic to sip java instead of tea. The Civil War made the drink more pervasive. Coffee helped energize tired troops, and drinking it became an expression of freedom.

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