Lem·on n.
1. Bot. An oval or roundish fruit resembling the orange, and containing a pulp usually intensely acid. It is produced by a tropical tree of the genus Citrus, the common fruit known in commerce being that of the species Citrus Limonum or Citrus Medica (var. Limonum). There are many varieties of the fruit, some of which are sweet.
2. The tree which bears lemons; the lemon tree.
Lemon grass Bot., a fragrant East Indian grass (Andropogon Shœnanthus, and perhaps other allied species), which yields the grass oil used in perfumery.
Lemon sole Zool., a yellow European sole (Solea aurantiaca).
Salts of lemon Chem., a white crystalline substance, inappropriately named, as it consists of an acid potassium oxalate and contains no citric acid, which is the characteristic acid of lemon; -- called also salts of sorrel. It is used in removing ink stains. See Oxalic acid, under Oxalic. [Colloq.]
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lemon sole
n 1: flesh of American flounder; important in the winter [syn: winter
flounder]
2: highly valued almost pure white flesh [syn: English sole]
3: popular pale brown food flatfish of the Pacific coast of
North America [syn: English sole, Parophrys vitulus]
4: small European sole [syn: Solea lascaris]
5: European flatfish highly valued as food [syn: Microstomus
kitt]
6: important American food fish in the winter [syn: winter
flounder, blackback flounder, Pseudopleuronectes
americanus]