Definition of carets:
(n) :
A mark ⟨ ‸ ⟩ used by writers and proofreaders to indicate that something is to be inserted at that point.
(n) :
(user interface) An indicator, often a blinking line or bar and usually called a cursor, indicating where the next insertion or other edit will take place.
(n) :
An exponentiation symbol or operator ⟨^⟩.
(n) :
(nonstandard) A circumflex ⟨ ˆ ⟩.
(n) :
(nonstandard) A háček ⟨ ˇ ⟩.
(n) :
(archaic) A kind of turtle, the hawksbill (Eretmochelys imbricata).