Concert of Europe Concert of Europe, or European concert European concert An agreement or understanding between the chief European powers to take only joint action in the (European) Eastern Question., Note: In some parts of America, especially in New England, the name walnut is given to several species of hickory (Carya), and their fruit. Ash-leaved walnut, a tree (Juglans fraxinifolia), native in Transcaucasia. Black walnut, a North American tree (J. nigra) valuable for its purplish brown wood, which is extensively used in cabinetwork and for gunstocks. The nuts are thick-shelled, and nearly globular. English, or European, walnut, a tree (J. regia), native of Asia from the Caucasus to Japan, valuable for its timber and for its excellent nuts, which are also called Madeira nuts. Walnut brown, a deep warm brown color, like that of the heartwood of the black walnut. Walnut oil, oil extracted from walnut meats. It is used in cooking, making soap, etc. White walnut, a North American tree (J. cinerea), bearing long, oval, thick-shelled, oily nuts, commonly called butternuts. See Butternut., European Eu`ro*pe"an, a. [L. europeaus, Gr. ?, fr. Gr. ? (L. europa.)] Of or pertaining to Europe, or to its inhabitants. On the European plan, having rooms to let, and leaving it optional with guests whether they will take meals in the house; -- said of hotels. [U. S.], European Eu`ro*pe"an, n. A native or an inhabitant of Europe., Concert of Europe Concert of Europe, or European concert European concert An agreement or understanding between the chief European powers to take only joint action in the (European) Eastern Question., Polecat Pole"cat`, n. [Probably fr. F. poule hen, and originally, a poultry cat, because it feeds on poultry. See Poultry.] (Zo["o]l.) (a) A small European carnivore of the Weasel family (Putorius f[oe]tidus). Its scent glands secrete a substance of an exceedingly disagreeable odor. Called also fitchet, foulmart, and European ferret. (b) The zorilla. The name is also applied to other allied species., Foumart Fou"mart`, n. [OE. folmard, fulmard; AS. f?l foul + mear?, meard, marten: cf. F. marte, martre. See Foul, a., and Marten the quadruped.] (Zo["o]l.) The European polecat; -- called also European ferret, and fitchew. See Polecat. [Written also foulmart, foulimart, and fulimart.], Lotus Lo"tus, n. [L. lotus, Gr. ?. Cf. Lote.] 1. (Bot.) (a) A name of several kinds of water lilies; as Nelumbium speciosum, used in religious ceremonies, anciently in Egypt, and to this day in Asia; Nelumbium luteum, the American lotus; and Nymph[ae]a Lotus and N. c[ae]rulea, the respectively white-flowered and blue-flowered lotus of modern Egypt, which, with Nelumbium speciosum, are figured on its ancient monuments. (b) The lotus of the lotuseaters, probably a tree found in Northern Africa, Sicily, Portugal, and Spain (Zizyphus Lotus), the fruit of which is mildly sweet. It was fabled by the ancients to make strangers who ate of it forget their native country, or lose all desire to return to it. (c) The lote, or nettle tree. See Lote. (d) A genus (Lotus) of leguminous plants much resembling clover. [Written also lotos.] European lotus, a small tree (Diospyros Lotus) of Southern Europe and Asia; also, its rather large bluish black berry, which is called also the date plum., Europeanize Eu`ro*pe"an*ize, v. t. To cause to become like the Europeans in manners or character; to habituate or accustom to European usages. A state of society . . . changed and Europeanized. --Lubbock., Indo-European In`do-Eu`ro*pe"an, a. Aryan; -- applied to the languages of India and Europe which are derived from the prehistoric Aryan language; also, pertaining to the people or nations who speak these languages; as, the Indo-European or Aryan family. The common origin of the Indo-European nations. --Tylor., Indo-European In`do-Eu`ro*pe"an A member of one of the Caucasian races of Europe or India speaking an Indo-European language. Professor Otto Schrader . . . considers that the oldest probable domicile of the Indo-Europeans is to be sought for on the common borderland of Asia and of Europe, -- in the steppe country of southern Russia. --Census of India, 1901., Oleaster O`le*as"ter, n. [L., fr. olea olive tree. See Olive, Oil.] (Bot.) (a) The wild olive tree (Olea Europea, var. sylvestris). (b) Any species of the genus El[ae]agus. See Eleagnus. The small silvery berries of the common species (El[ae]agnus hortensis) are called Trebizond dates, and are made into cakes by the Arabs., European Eu`ro*pe"an, a. [L. europeaus, Gr. ?, fr. Gr. ? (L. europa.)] Of or pertaining to Europe, or to its inhabitants. On the European plan, having rooms to let, and leaving it optional with guests whether they will take meals in the house; -- said of hotels. [U. S.], Pleuropericardial Pleu`ro*per`i*car"di*al, a. (Anat.) Of or pertaining to the pleura and pericardium., Pleuroperipneumony Pleu`ro*per`ip*neu"mo*ny, n. [Pleuro- + peripneumony.] (Med.) Pleuropneumonia., Pleuroperitoneal Pleu`ro*per`i*to*ne"al, a. (Anat.) Of or pertaining to the pleural and peritoneal membranes or cavities, or to the pleuroperitoneum., Pleuroperitoneum Pleu`ro*per`i*to*ne"um, n. [Pleuro- + peritoneum.] (Anat.) The pleural and peritoneal membranes, or the membrane lining the body cavity and covering the surface of the inclosed viscera; the peritoneum; -- used especially in the case of those animals in which the body cavity is not divided. Note: Peritoneum is now often used in the sense of pleuroperitoneum, the pleur[ae] being regarded as a part of the peritoneum, when the body cavity is undivided.