Wiktionary
vb. (context transitive English) to be afflicted by (a visible disruption of the body)
Usage examples of "come out in".
Along his back the hair has come out in tufts, exposing a mass of sores.
You could go from it to the main terrace in front, or you could go down a winding path and come out in a lane that eventually rejoined the cliff road.
They probably should have tried to get hold of a local guide - although who would be fool enough to come out in this at anything short of the point of a sword?
I telegraphed to him to keep it until the end of the month, when I should be free to come out in person, assure myself that it was in very truth my compromising letter, and take it back with me.
I mean, given that you were fleeing Omicron Sector, why choose to come out in this particular direction?