Thereat \There*at"\, adv.
1. At that place; there.
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Wide is the gate, and broad is the way, that leadeth
to destruction, and many there be which go in
thereat. --Matt. vii.
13.
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2. At that occurrence or event; on that account.
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Every error is a stain to the beauty of nature; for
which cause it blusheth thereat. --Hooker.
[1913 Webster] Therebefore