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aqueduct|ˈækwɪdʌkt|
Also 6–8 aquæ-, aquaduct.
[ad. L. aquæductus, aquæ ductus, ductus aquæ, conveyance of water, f. duc-ĕre to lead, bring. Cf. F. aquéduc.]
1. An artificial channel for the conveyance of water from place to place; a conduit; esp. an elevated structure of masonry used for this purpose.
1538Leland Itin. IV. 77 At the place of the midle meeting of these Streets, is an Aquæduct. 1621Burton Anat. Mel. ii. ii. i. i, That Segouian Aqueduct in Spaine..vpon three rowes of pillars, one aboue another, convaying sweet water to euery house. 1647R. Stapylton Juvenal 51 The charge of aquaducts or publike conduits. 1858Hawthorne Fr. & It. Jrnls. II. 219 The Claudian aqueduct..looks like a long procession, striding across the Campagna.
b. transf. or fig.
1646J. Hall Horæ Vac. 32 Preaching is the Christall aquaeduct that conveighs the water of Life to us. 1857H. Reed Brit. Poets iii. 94 The poets were apt to fill their urns chiefly from the classical aqueducts of antiquity. 1875Grindon Life vi, Looking at the clouds merely as aqueducts.
2. The similar structure by which a canal is carried over a river, etc. (Also called aqueduct-bridge.)
1791T. Newte Tour Eng. & Sc. 296 One of the most remarkable curiosities upon this magnificent canal is the aqueduct bridge of Cesse. 1842Whittock Bk. Trades 204 ‘Aqueducts’ are frequently employed on a canal for the purpose of carrying it over rivers.
3. Phys. Name given to several small canals, chiefly in the head of mammals.
1709Blair in Phil. Trans. XXVII. 108 The boney part of the Aqueduct. 1718― ibid. XXX. 890 The Aqueduct['s]..Use is to receive the superfluous Moisture from the Cavitas Tympani. 1881Mivart Cat 66 The facial nerve..traversing in its way a canal termed the Aqueduct of Fallopius. |