This is the 864th most frequent Persian word.
مرغ
Chicken.
In this sentence, 'مرغ' refers to a domestic chicken, a common farm bird.
من یک مرغ در حیاط خانه دیدم.
I saw a chicken in the backyard.
Here, 'مرغ' refers to chicken as a type of food.
امروز برای نهار مرغ خوشمزهای پختم.
I cooked a delicious chicken for lunch today.
In this usage, 'مرغها' refers to hens, specifically the female chickens.