wigwag

IPA（発音記号）

/ˈwɪɡwaɡ/

名詞

アメリカ英語歴史的

日本語の意味

決められたパターンで点滅する光を発する装置。 / 時計製造において、研磨用にウィッグワッグ運動（往復振動）を生み出す装置。

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The highway crew set up a wigwag at the lane closure to warn drivers with alternating flashing lights.

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高速道路の作業員は車線閉鎖に点滅信号装置を設置して、交互に点滅する灯りでドライバーに注意を促した。

詳細

意味（1）

A device that causes one or more lights to flash in a preset pattern.

Framed by the pulsing wig-wag lights the painted the stone walls and arched windows of the front of the Gallatin Gateway Inn in vivid reds and blues, Cody Hoyt tossed the duffel he'd saved into the back of his Ford.

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意味（2）

(watchmaking) An instrument that creates a wigwagging motion for polishing.

The wigwag is used for polishing the shoulders of pinions, pinion leaves, staffs and pivots, and for numerous other operations. […] These tools are used extensively in all the American watch factories.

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意味（3）

(road transport) A warning device inside the cabin of a truck that causes a mechanical arm to drop into view when the pressure in the airbrake system of the truck becomes too low for the brakes to be reliably deployed.

Some vehicles with air brakes also use a wigwag low pressure indicator. This is mounted above the windshield. If the air pressure drops below 60 psi, the signal arm will drop down across the windshield. You can't reset it (push it back out of view) until air pressure is brought above 60 psi. Don't operate the vehicle with the signal arm lever down.

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意味（4）

(US, rail transport) A grade crossing signal with a swinging motion used to indicate an approaching train.

One of the first standard types of automated visual grade-crossing warning was the automated flagman, a signal commonly known as a "wigwag." According to Santa Fe documents, the wigwag was adopted as a standard crossing device by the American Railway Association in 1923. A standard wigwag is actuated by a track circuit and consists of a paddle with a red lamp that gracefully swings back and forth in a horizontal pattern when a train approaches. A wigwag is usually accompanied by a bell.

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