• synonyms


[trey-kee-uh l or, esp. British, truh-kee-uh l]
  1. Anatomy, Zoology. pertaining to or connected with the trachea or tracheae.
  2. Botany. of the nature of or composed of tracheae or vessels.
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Origin of tracheal

First recorded in 1700–10; trache(a) + -al1
Related formspost·tra·che·al, adjectivepre·tra·che·al, adjectivetrans·tra·che·al, adjective
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for tracheal

Historical Examples

  • These two leaves are supported upon a framework of tracheal tubes.

    Our Common Insects

    Alpheus Spring Packard

  • These are the openings into the tracheal or respiratory system.

    Insects and Diseases

    Rennie W. Doane

  • There are two tracheal openings just behind the openings of the lungs.

  • The tracheal rings are thus exposed and can be divided as before.

  • This process is known as the tracheal process, or rostral cartilage.