• Webster's Revised Unabridged Dictionary
    • n Crotalum (Mus) A kind of castanet used by the Corybantes.
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Century Dictionary and Cyclopedia
    • n crotalum A rattle or clapper, made of wood or bone, anciently used in Egypt and Greece.
    • n crotalum A name given to bells of the form of sleigh-bells or grelots. Such bells, when very small, were used for hawks, and, as hawk-bells, often appear in heraldry. Larger ones are occasionally seen, which have been handed down from the middle ages, and are still utilized in certain curious local customs.
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Webster's Revised Unabridged Dictionary
L., fr. Gr. rattle