Meaning of obturator | Babel Free

Definitions

1. An object used to obstruct a hole, such as a fissure of the palate.
2. The membrane vessels, etc. that close the obturator foramen, or thyroid foramen, a large opening or fenestra in the anterior part of the hip bone.
3. A valve closure member (disk, gate, plug, etc.).
4. Any device for preventing the escape of gas through the breech mechanism of a breech-loading gun; a gas check.
5. A camera shutter.

Examples

“Obturators, held down by compressed air, close the pipe giving direct access from the h.p. exhaust to the l.p. steam chest, and so prevent compound working; […].”

CEFR level