siffle

== English == === Etymology === Borrowed from French siffler, from Latin sibilāre. Doublet of sibilate. === Noun === siffle (plural siffles) A sibilant rale. === Verb === siffle (third-person singular simple present siffles, present participle siffling, simple past and past participle siffled) (intransitive) To whistle or hiss. == French == === Verb === siffle inflection of siffler: first/third-person singular present indicative/subjunctive second-person singular imperative