Auditory vs Undefined - What's the difference?

As adjectives the difference between auditory and undefined

is that auditory is of, or relating to hearing, or to the sense or organs of hearing while undefined is lacking a definition or value.

is (archaic) an assembly of hearers; an audience.

From (etyl) .

(-)

Of, or relating to hearing, or to the sense or organs of hearing

* otic

* auditory bone * auditory nerve

From (etyl) .

(auditories)

(archaic) An assembly of hearers; an audience.

* 1661 , , p. 7:

...and because though these learned Gentlemen (sayes he, turning to his two friends) need not fear to discourse before any Auditory ...

(archaic) An auditorium.

(wikipedia undefined) (-)

Lacking a definition or value.

(mathematics, computing) That does not have a meaning and is thus not assigned an interpretation.

The result of division by zero is undefined .

* defined