I don’t know which came first here, the chicken or the egg.  Either the word surface comes from the anatomical use of the word face or the anatomical use of face comes from surface, in the sense of “outermost boundary of an object.”  However, we ought to wonder, since it is the outermost boundary of an object, what is the object that our faces are the outermost boundary of? This paragraph is going to be a bit silly and pedantic but please bear with me because the pedantry will be worth it. I think quibbling about whether I’m applying the wrong definition of “face” to the anatomical feature is the…