A mark ⟨ ‸ ⟩ used by writers and proofreaders to indicate that something is to be inserted at that point.

(graphical user interface) An indicator, often a blinking line or bar, indicating where the next insertion or other edit will take place.

(nonstandard) A circumflex, ⟨ ＾ ⟩.

(nonstandard) A háček, ⟨ ˇ ⟩.