Raphe n. : A line, ridge, furrow, or band of fibers, especially in the median line; as, the raphe of the tongue.

Raphe n. : Same as Rhaphe.

Example:
is it possible to have just gotten a Raphe line on my penis at the age 13 or 14 years old?

Taxonomy
Raphe, free encyclopedia, mid-line, animal anatomy, nuclei, the brain, scrotal raphe, lingual raphe, tongue tied, palatine raphe, search, Hebrew, diacritic, free dictionary, meanings, science, Greek, suture.

Defination from the web:
raphe includes the frenulum (also called the frenum), or band of mucous membrane that is visible under ... The pharyngeal raphe is near the pharyngeal constrictors. The raphe nucleus is a moderate-size cluster of nuclei found in the brain stem ...