Definitions for: Canal


[n] long and narrow strip of water made for boats or for irrigation
[n] a bodily passage or tube lined with epithelial cells and conveying a secretion or other substance; "the tear duct was obstructed"; "the alimentary canal"; "poison is released through a channel in the snake's fangs"
[n] (astronomy) an indistinct surface feature of Mars once thought to be a system of channels; they are now believed to be an optical illusion
[v] provide with a canal, as of a city



Webster (1913) Definition: Ca*nal", n. [F. canal, from L. canalis canal, channel;
prob. from a root signifying ``to cut''; cf. D. kanaal, fr.
the French. Cf. Channel, Kennel gutter.]
1. An artificial channel filled with water and designed for
navigation, or for irrigating land, etc.

2. (Anat.) A tube or duct; as, the alimentary canal; the
semicircular canals of the ear.

Canal boat, a boat for use on a canal; esp. one of peculiar
shape, carrying freight, and drawn by horses walking on
the towpath beside the canal.

Canal lock. See Lock.


Ca*nal", n.
A long and relatively narrow arm of the sea, approximately
uniform in width; -- used chiefly in proper names; as,
Portland Canal; Lynn Canal. [Alaska]

Synonyms: canalise, canalize, channel, duct, epithelial duct

See Also: alimentary canal, alimentary tract, ampulla, aqueductus cerebri, bile duct, bronchiole, canal of Schlemm, canaliculus, canalis cervicis uteri, canalis inguinalis, canalis vertebralis, cartilaginous tube, cerebral aqueduct, cervical canal, channel, common bile duct, conduit, cut, digestive tract, digestive tube, ductule, ductulus, ductus deferens, ejaculatory duct, epididymis, Erie Canal, furnish, gastrointestinal tract, GI tract, Haversian canal, hepatic duct, industrial watercourse, inguinal canal, lachrymal duct, lacrimal duct, lactiferous duct, lock, lock chamber, lockage, lymph vessel, lymphatic vessel, nasolacrimal duct, New York State Barge Canal, pancreatic duct, passage, passageway, pore, provide, race, raceway, render, salivary duct, Schlemm's canal, seminal duct, ship canal, shipway, sinus, sinus venosus sclerae, spinal canal, supply, Sylvian aqueduct, tear duct, umbilical cord, ureter, urethra, vagina, vas deferens, venous sinus, vertebral canal

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