Share this entry
tracheid Syllabification: tra·che·id
Pronunciation: /ˈtrākēid/

Definition of tracheid in English:


A type of water-conducting cell in the xylem that lacks perforations in the cell wall.
Example sentences
  • Lignins occur in great quantity in the secondary cell walls of fibres, xylem vessels and tracheids.
  • Tissues external to the xylem were removed because of the presence of large resin ducts which could release materials that would obstruct water flow through the xylem tracheids.
  • Vessel elements, tracheids, fibres, sieve tube elements, sieve cells, and parenchyma cells are the major components of vascular tissue.


Late 19th century: from German Tracheïde, from medieval Latin trachea (see trachea).

Definition of tracheid in:
Share this entry

What do you find interesting about this word or phrase?

Comments that don't adhere to our Community Guidelines may be moderated or removed.

Subscribe to remove adverts and access premium resources