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One who arrests.

ht, without thunder, seen near the horizon, esp. at the close of a hot day. -- Lightning arrester (Telegraphy), a device, at the place where a wire enters a building, for preventing injury by lightning to an operator or instrument. It consists of a short circuit to the ground interrupted by a thin nonconductor over wh…

f bright knowledge. Locke. Bright gem instinct with music, vocal spark. Wordsworth. Spark arrester, a contrivance to prevent the escape of sparks while it allows the passage of gas, -- chiefly used in the smokestack of a wood-burning locomotive. Called also spark consumer. [U.S.]

A spark arrester.