This is the 15885th most frequent Turkish word.
tül
"Tül" means "tulle," a lightweight, fine netting fabric.
Here, 'tül' is used as an adjective to describe the type of curtain, conveying the material's translucent nature.
Penceredeki tül perde güneş ışığını güzelce süzüyor.
The sheer curtain on the window nicely filters the sunlight.
In this sentence, 'tül' is again an adjective, characterizing the dress as being made of a sheer, gauzy material.
Annem yeni bir tül elbise aldı.
My mother bought a new sheer dress.
Here, 'tül' functions as an adjective, directly referring to the sheer type of fabric used, specifically indicating its common material usage.