caveat /kavat, ke-/ n. & v. M16. [L, 3rd person sing. pres. subjunct. of cavere beware.] A n. 1 A warning, a proviso; spec. in Law ( a ) a process in an ecclesiastical court to suspend proceedings; ( b ) a notice to a court (esp. Sc. Law) or an entry in a register preventing a proceeding (as granting of a probate) until the objector's arguments have been heard. M16. 2 A precaution. L16-L17. B v. 1 v.t. Enter a caveat against. rare. M17. 2 v.i. Fencing. Disengage. Now rare or obs. M17.caveatee n. (Law) a person against whose interests a caveat is entered E20. caveator n. (Law) a person who enters a caveat L19.