bugs
Aphids and mealybugs have been known to eat holes in fruit including oranges. Aphids if not controlled can cause a lot of damage to orange trees.
Holes.
Segments.
They are called "black holes".
The holes on your sneakers are called 'eyes'
holes
Holes.
When the Arabians invaded Portugal they found many Oranges. in Arabic oranges are called 'bortugal' so they named it after that. by shahriar uddin
I do not know if they have a musical name but they are commonly just called Recorder Holes.
Oranges contain citric acid. That is why oranges are called citric fruits.
The F holes in a cello are called... <drum roll!> F-holes! They are also called 'sound holes', and acousticians might refer to them as 'ports'.