Thanks for using this online dictionary, we have been helping millions of people improve their use of the english language with its free online services. English definition of quercus is as below...

Holm :: Holm (n.) A common evergreen oak, of Europe (Quercus Ilex); -- called also ilex, and holly..

Cork :: Cork (n.) The outer layer of the bark of the cork tree (Quercus Suber), of which stoppers for bottles and casks are made. See Cutose..

Black-jack :: Black-jack (n.) The Quercus nigra, or barren oak..

Quercitron :: Quercitron (n.) The yellow inner bark of the Quercus tinctoria, the American black oak, yellow oak, dyer's oak, or quercitron oak, a large forest tree growing from Maine to eastern Texas..

Quercus :: Quercus (n.) A genus of trees constituted by the oak. See Oak.

Cerris :: Cerris (n.) A species of oak (Quercus cerris) native in the Orient and southern Europe; -- called also bitter oak and Turkey oak.

Quercitrin :: Quercitrin (n.) A glucoside extracted from the bark of the oak (Quercus) as a bitter citron-yellow crystalline substance, used as a pigment and called quercitron..

Valonia :: Valonia (n.) The acorn cup of two kinds of oak (Quercus macrolepis, and Q. vallonea) found in Eastern Europe. It contains abundance of tannin, and is much used by tanners and dyers..

Kermes :: Kermes (n.) A small European evergreen oak (Quercus coccifera) on which the kermes insect (Coccus ilicis) feeds.

Quercite :: Quercite (n.) A white crystalline substance, C6H7(OH)5, found in acorns, the fruit of the oak (Quercus). It has a sweet taste, and is regarded as a pentacid alcohol..

Oak :: Oak (n.) Any tree or shrub of the genus Quercus. The oaks have alternate leaves, often variously lobed, and staminate flowers in catkins. The fruit is a smooth nut, called an acorn, which is more or less inclosed in a scaly involucre called the cup or cupule. There are now recognized about three hundred species, of which nearly fifty occur in the United States, the rest in Europe, Asia, and the other parts of North America, a very few barely reaching the northern parts of South America and Afric

Ilex :: Ilex (n.) The holm oak (Quercus Ilex).

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