Oral (adjective)

1. Relating to or located in the mouth.
2. Relating to or conducted through speech or the spoken word.
3. Relating to or involving examination by questioning or discussion, rather than written examination.

Origin:

Late middle english: from latin oralis, from os, or- "mouth".

Examples:

1. He had an oral examination in history today.
2. The dentist cleaned her teeth during an oral checkup.
3. Oral tradition is an important part of many cultures.
4. The lawyer conducted an oral argument in front of the judge.
5. She told her story with an oral delivery that was both captivating and entertaining.