Spoken language
Spoken language was the verbal auditory expression of a language.

The Cairn, a telepathic species, had no concept of spoken language. In 2370, Lwaxana Troi was teaching some of them how to speak, using a vocal enhancer. She recommended that  crew help them practice by conversing with them. She also introduced young Hedril as her star pupil, the girl having picked up speaking quicker than any of her other students. ()

In 2372, a Sky Spirit told Chakotay that his people initially had no spoken language. ()

See also
 Written language

External link
 

Linguistics