This is the 15592nd most frequent Turkish word.
tavuklu
Containing chicken; made with chicken.
Here, 'tavuklu' is used as an adjective describing the noun 'sandviç', indicating it contains chicken or is made with chicken.
Bugün öğle yemeğinde tavuklu sandviç yiyeceğim.
Today I will have a chicken sandwich for lunch.
In this sentence, 'tavuklu' modifies the noun 'pilav' to imply that the main ingredient of the dish includes chicken.
Bu akşam tavuklu pilav yapmayı planlıyorum.
I am planning to make chicken rice tonight.
Here, 'tavuklu' describes 'yemekler', which are meals, to convey that these meals contain chicken.