Definitions

from The American Heritage® Dictionary of the English Language, 4th Edition

  • n. A small canal or duct in the body, such as the minute channels in compact bone.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. Any of many small canals or ducts in bone or in some plants

from the GNU version of the Collaborative International Dictionary of English

  • n. A minute canal.

from The Century Dictionary and Cyclopedia

  • n. In anatomy and zoology, a little groove, furrow, pipe, tube, or other small channel.
  • n. the microscopic branching tubules radiating from the lacunæ of bone, and connecting one lacuna with another.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • n. a small canal or duct as in some bones and parts of plants

Etymologies

Latin canāliculus, diminutive of canālis, conduit; see canal.
(American Heritage® Dictionary of the English Language, Fourth Edition)
From Latin canāliculus ("small channel, pipe or gutter"), diminutive of canālis ("channel; pipe, gutter"), from canna ("cane, reed"), from Ancient Greek κάννα (kanna, "reed"). (Wiktionary)

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