1. Canopy used in various types of inhalation therapy to control humidity and concentration of oxygen in inspired air.
2. Cylinder, usually absorbent, introduced into a canal or sinus to maintain its patency or to dilate it.
3. To elevate or pick up a segment of skin, fascia, or tissue at a given point, giving it the appearance of a tent.
Stedman’s Medical Dictionary © Wolters Kluwer Health. All rights reserved.