(a) Of serpents, geese, etc.: to emit a sharp sibilant sound, hiss; (b) hissen on, to make this sound as a sign of contempt, hiss at (sb. or sth.); (c) to whistle; (d) hissen to, to call (sb.) by……
(a) The outside covering of nuts, and certain fruits; (b) the cup of an acorn; (c) husk or chaff of grain; (d) a cocoon; (e) the carapace of a beetle.
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