What does "caveat" mean?

Caveat: (U. S. Patent Laws) A description of some invention, designed to be patented, lodged in the patent office before the patent right is applied for, and operating as a bar to the issue of letters patent to any other person, respecting the same invention. Note: A caveat is operative for one year only, but may be renewed.

Additional senses

  1. 2.Intimation of caution; warning; protest. We think it right to enter our caveat against a conclusion. Jeffrey. Caveat emptor Etym: [L.] (Law), let the purchaser beware, i. e., let him examine the article he is buying, and act on his own judgment.

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