tocsin
noun/ˈtɒksɪn/
/ˈtɑːksɪn/
(old use)- a warning bell or signalWord Originlate 16th cent.: from Old French toquassen, from Provençal tocasenh, from tocar ‘to touch’ + senh ‘signal bell’.
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tocsin
Definition of tocsin noun from the Oxford Advanced Learner's Dictionary