American Dictionary of the English Language

CAVEAT, noun

1. In law, a process in a court, especially in a spiritual court, to stop proceedings, as to stop the proving of a will; also to prevent the institution of a clerk to a benefice.

In America, it is used in courts of common law.

2. Intimation of caution; hint; warning; admonition.

CAVEAT, verb transitive To enter a caveat