occluder Definition

occlude
verb occluded, occluding

technical:
1a. To block up or cover (eg a pore or some other opening or orifice);
1b. To block or obstruct (a passage).
2. To shut something in or out.
3. To cover (an eye) to prevent its use.
4. chem.
Said of a solid: to absorb (a gas) so that its atoms or molecules occupy the spaces within the lattice structure of the solid.
5. medicine.
To close (an opening), eg to obstruct a blood vessel.
6. dentistry.
To close (the surfaces of the upper teeth) on those of the lower teeth.
tr & intr
7. meteorol.
To form or cause to form an occluded front.

Derivative: occludent
noun, adj

Derivative: occluder
noun

A device used to occlude an eye.

Etymology: 16c: from Latin occludere to shut or close up, from oc- in the way of + claudere to close.