firewater

noun

1. (countable, informal, uncountable)High-proof alcoholic beverage, especially whiskey (especially in the context of its sale to or consumption by Native Americans).

   “High Jack had been drinking too much rum ever since we landed in Boca. You know how an Indian is—the palefaces fixed his clock when they introduced him to firewater.”

   “Four polite Englishmen in their middle 20s, feigning like firewater drunks in a Eugene O'Neill play: it's exactly the stuff that makes their detractors groan.”

2. (countable, especially, uncountable)Water for use in firefighting.

   “A continuously circulated firewater line supplies a deluge cooling system in each gathering center for fire containment.”

   “A break in a firewater line at BP Whiting Refinery caused water with an oil-like sheen to spread outside the refinery's walls along a section of Indianapolis Boulevard Tuesday night.”

3. (countable, uncountable)High-temperature hydraulic condensate discharged from industrial boilers.
4. (countable, obsolete, uncountable)Synonym of alkahest.