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n. history, mainly used by schoolchildren.

interjection. A sibilant exclamation that one should be silent

interjection. Hush; be silent; -- a signal for silence.

A sibilant utterance used to attract attention and command or suggest silence.

To incite, as a dog, by making a sibilant sound.

[In the following passage hist is apparently the imperative of the verb, but it is peculiarly used, perhaps like whist as used also by Milton as an apparent past participle (“the winds with wonder whist”).

n. A common dialectal form of hoist.

n. An abbreviation of history, historical.

"A hissing noise was heard as if from a score of rattlesnakes, and now the cow-punchers emerged on all sides from the darkness, stepping high, with ludicrously exaggerated caution, and "hist" - ing to one another to observe the utmost prudence in approaching."

hush   

murde    puft    rer    stuft    mem    antiterror    kist    phenobarbital    the    =_____