Caveat
ˈkæviˌæt
noun
a warning or caution
The word 'caveat' comes from Latin, meaning 'let him beware'. It is commonly used in legal contexts to denote a stipulation or condition that needs to be considered.
See how Frank Herbert uses "caveat", with its meaning, pronunciation and a real book example.
Examples from books
We will continue our investigation with, however, the following caveat: As with every report preceding this one, we must address the Lord Leto’s prescience.
Frank Herbert
God Emperor of Dune