Thereat
Pronunciation : There*at"
Part of Speech : adv.
Definition : 1. At that place; there. Wide is the gate, and broad is the way, that leadeth to destruction, and many there be which go in thereat. Matt. vii. 13.
2. At that occurrence or event; on that account. Every error is a stain to the beauty of nature; for which cause it blusheth thereat. Hooker.
Source : Webster's Unabridged Dictionary, 1913
Merriam-Webster's Everyday Language Reference Set: Includes: The Merriam-Webster Dictionary, The Merriam-Webster Thesaurus, and The Merriam-Webster Vocabulary Builder