This is the 6815th most frequent Russian word.
cap
The Russian word "кап" means "drip" or "drop" in English.
Here, "шапка" refers to a type of headwear commonly worn during cold weather to keep warm.
Моя любимая шапка согревает меня зимой.
My favorite cap keeps me warm in winter.
In this sentence, "крышка" is used to describe a cover or a lid that seals an object, like a jar.
Пластиковая крышка закрывает банку.
The plastic cap covers the jar.
"Капитан" here refers to the leader or head person of a group, adapting the notion of 'cap' as a metaphorical representation of leadership or head.