Definition of preauricular in English:
preauricular
(also praeauricular)
adjective ˌpriːɔːˈrɪkjʊlə
Anatomy 1Located in front of the ear.
2Designating a groove in the ilium situated lateral to the auricular surface, which is more prominently developed in the female than in the male.
Origin
Late 19th century. From pre- + auricular.