This is the 7381st most frequent Swedish word.
skinner
"Skinner" is not a Swedish word; it appears to be an English noun meaning "someone who skins animals." If you meant "skiner" in Swedish, it means "shines" or "is shining."
Here, 'skinner' is used in its literal sense to denote the lamp emitting light despite its age.
Lampan skinner än, trots att den är gammal.
The lamp still shines, although it is old.
The word 'skinner' here is used to describe the shining or radiating of light by the sun. It is the present tense form of 'skina', meaning 'to shine'.
Solen skinner starkt idag.
The sun shines brightly today.
In this sentence, 'skinner' metaphorically describes the expression of joy or happiness, akin to someone appearing radiant or glowing.