noun
boiling water; scalding water
Often used in the idiom 煮え湯を飲まされる (to be betrayed by a trusted person; to be forced to drink scalding water). The word itself is neutral but carries a strong connotation of danger or betrayal in fixed expressions.
煮え湯を飲まされたような気分だ。
I feel as if I've been betrayed (lit. made to drink scalding water).
やかんから煮え湯が噴き出した。
Boiling water spurted out of the kettle.