thereat Meaning, Definition & Usage

There*at" adverb
Definitions
  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.

Webster 1913