a. and sb. Phys. [f. L. excrēt- (see EXCRETE v.) + -ORY. Cf. Fr. excrétoire.] A. adj.

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  1.  Having the function of excreting; pertaining to or connected with the process of excretion. Excretory duct, vessel, etc.: one which either in an animal or plant conveys the excretion to the surface, as the lachrymal duct, or into a prepared cavity, as the bile duct.

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1681.  trans. Willis’ Rem. Med. Wks., Voc.

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1684.  Boyle, Porousn. Anim. & Solid Bod., iii. 11. The Orifices of small excretory vessels.

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1708.  Keill, Anim. Secretion, 131. The Water passes off through the Pores or Excretory Ducts of the Plant.

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1839–47.  Todd, Cycl. Anat., III. 315/1. The excretory outlet.

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1854.  Woodward, Mollusca, II. 167. Respiratory and excretory orifices.

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1883.  Fortn. Rev., Feb., 197. The excretory function was admirably active.

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  2.  Of the nature of excreta.

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1878.  Bell, trans. Gegenbaur’s Comp. Anat., 46. Gaseous excretory matters are eliminated from the organism for the respiratory organs.

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  B.  sb. An excretory vessel or duct.

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1715.  Cheyne, Philos. Princ. Relig., I. 134. The other Excretories of the Body.

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1741.  Monro, Anat. (ed. 3), 57. One can squeeze out of their Excretories a mucilaginous Liquor.

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1805.  W. Saunders, Min. Waters, 5. The morbid saline parts [are] carried off by the excretories.

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