What does absence mean?
The definition of absence
Ab”sence, n.
Etym: [F., fr. L. absentia. See Absent.]

1 A state of being absent or withdrawn from a place or from companionship; — opposed to presence. Not as in my presence only, but now much more in my absence. Phil. ii. 12.
2 Want; destitution; withdrawal. “In the absence of conventional law.” Kent.
3 Inattention to things present; abstraction (of mind); as, absence of mind. “Reflecting on the little absences and distractions of mankind.” Addison. To conquer that abstraction which is called absence. Landor.