This is the 8684th most frequent Russian word.
панцир
"Panцир" (панцирь) in English means "shell" or "armor," typically referring to the protective covering of animals or objects.
Here, 'панцирь' refers to the hard protective shell of a turtle.
Черепаха спряталась в свой панцирь.
The turtle hid inside its shell.
In this sentence, 'панцирь' is used metaphorically to denote armor protecting the body.
Бойцы надели тяжелые панцири перед сражением.
The warriors donned heavy armor before the battle.
Here, 'панцирь' is employed figuratively to compare the car's exterior to a protective shell.