n.1 a a main or large bolt in a central position. b a vertical bolt used as a pivot.
2 an essential person or thing, esp. in a complex system.
KINGPIN
Meaning of KINGPIN in English
Oxford English vocab. Оксфордский английский словарь. 2012
n.1 a a main or large bolt in a central position. b a vertical bolt used as a pivot.
2 an essential person or thing, esp. in a complex system.
Oxford English vocab. Оксфордский английский словарь. 2012