Caveat

Webster's Dictionary of the English Language

·noun Intimation of caution; warning; protest.

II. Caveat ·noun 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.

III. Caveat ·noun A notice given by an interested party to some officer not to do a certain act until the party is heard in opposition; as, a caveat entered in a probate court to stop the proving of a will or the taking out of letters of administration, ·etc.