Excluded vs Excluder - What's the difference?

As a verb excluded

is past tense of exclude.

something which excludes.

(head)

(exclude)

(exclud)

To bar (someone) from entering; to keep out.

To expel; to put out.

to exclude young animals from the womb or from eggs

(legal, of evidence) To refuse to accept as valid.

(medicine) To eliminate from diagnostic consideration.

* include

(en noun)

Something which excludes