n.

1. Sports.
   1. The innermost or central pin in an arrangement of bowling pins.
   2. See headpin.
2. The most important person or element in an enterprise or system.
3. See kingbolt.

Note: click on a word meaning below to see its connections and related words.

The noun has 3 meanings:

Meaning #1: the most important person in a group or undertaking
  Synonyms: top banana, bigwig

Meaning #2: bolt that provides a steering joint in a motor vehicle
  Synonyms: kingbolt, swivel pin

Meaning #3: the front bowling pin in the triangular arrangement of ten pins
  Synonym: headpin

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Dansk (Danish)
n. - styrebolt, styrespindel, keglekonge, anfører, -konge

Nederlands (Dutch)
spil, as van de fusee, hoofdbout

Français (French)
n. - (Tech) pivot central, cheville ouvrière, (US) première quille, (fig) pilier

Deutsch (German)
n. - König, Hauptelement, Nummer eins

Ελληνική (Greek)
n. - (μηχαν.) πίρος ακραξονίου, (μτφ.) κινητήριος μοχλός, βασικός παράγων

Italiano (Italian)
perno

Português (Portuguese)
n. - chefe (m), pivô (m)

Русский (Russian)
важная фигура, ключевой элемент

Español (Spanish)
n. - bolo central, clavija maestra, persona clave, alma, piedra angular

Svenska (Swedish)
n. - spindelbult, mittenkägla (kung), ledare

中文（简体） (Chinese (Simplified))
中央球瓶, 主要人物

中文（繁體） (Chinese (Traditional))
n. - 中央球瓶, 主要人物

한국어 (Korean)
n. - 볼링의 5번핀, 우두머리

日本語 (Japanese)
n. - ヘッドピン, 5番ピン, 中心人物

العربيه (Arabic)
‏(الاسم) القارورة الخشبيه في لعبه البولينغ‏

עברית (Hebrew)
n. - ‮האדם המרכזי, סרן (ציר), בורג מרכזי‬

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kingpin	kingpin blunts
kingpin blunt	kingpin wraps