This is the 10018th most frequent Turkish word.
bahçesindeki
"Bahçesindeki" means "in his/her/its garden" or "in the garden of."
In this sentence, 'bahçesindeki' modifies 'çiçekler,' specifying their location as being in the garden.
Evlerinin bahçesindeki çiçekler çok güzel.
The flowers in their garden are very beautiful.
Here, 'bahçesindeki' describes 'ağacın' indicating that the tree is part of the garden.
Bahçesindeki ağacın gölgesinde oturuyor.
(He/She) is sitting in the shade of the tree in the garden.
In this example, 'bahçesindeki' specifies 'masaya,' adding information that the table is located in the garden.