earwitness

[ eer-wit-nis ]
/ ˈɪərˌwɪt nɪs /

noun Law.

a person who testifies or can testify to what he or she has heard.

Origin of earwitness

First recorded in 1530–40; ear1 + witness
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

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