auriculo-infraorbital plane

noun

au·​ric·​u·​lo-in·​fra·​or·​bit·​al plane ȯ-ˌrik-yə-(ˌ)lō-ˌin-frə-ˌȯr-bət-ᵊl-, -(ˌ)frä- 

: the plane that passes through the auricular points and the lowest points of the orbits