The English word for "ديك" is rooster. It is the male adult chicken, characterized by its distinctive crowing and large, colorful comb. Roosters are often kept for their ornamental value, but they also play an important role in poultry production by fertilizing eggs.
Here are some other English words that can be used to refer to a rooster:
cock (a more formal or euphemistic term)
chanticleer (a literary or poetic term)
gallus (the scientific name for the genus to which chickens belong)
The word "rooster" is derived from the Old English word "rosta," which means "to roost." This is because roosters typically sleep on high perches, where they are safe from predators.
I hope this helps! Let me know if you have any other questions.