Surgery (procedure involving major incisions to remove, repair, or replace a part of a body).
A meeting with a doctor at their surgery or the doctor's at one's home.
A single act of visiting.
To go to (a place) for pleasure, on an errand, etc.
To habitually go to (someone in distress, sickness etc.) to comfort them. (Now generally merged into later senses, below.)
Of a sickness, misfortune etc.: to afflict (someone).
Of God: to appear to (someone) to comfort, bless, or chastise or punish them. (Now generally merged into later senses, below.)
To go and meet (a person) as an act of friendliness or sociability.
To inflict punishment, vengeance for (an offense) on or upon someone.
To go to (a shrine, temple etc.) for worship. (Now generally merged into later senses, below.)