Medical Definition of naked
1: lacking some natural external covering (as of hair or myelin)—used of the animal body or one of its parts <naked nerve endings> <viroids are naked: the RNA strand is not encapsulated in a protein coat—Roger Lewin>
2: unaided by any optical device or instrument <visible to the naked eye>
Seen and Heard
What made you want to look up naked? Please tell us where you read or heard it (including the quote, if possible).