car·et 
(kărĭt)
(kărĭt)n.
A proofreading symbol (^) used to indicate where something is to be inserted in a line of printed or written matter.
[Latin, there is lacking, third person sing. present tense of carēre, to lack; see kes- in the Appendix of Indo-European roots.]
- in the bargain
- in the blink of an eye
- in the buff
- in the can
- in the cards
- in the circumstances
- in the clear
- in the clouds
- in the dark
- in the dock
- in the doghouse
- in the dust
- in the end
- in the event
- in the extreme
- in the eye of the wind
- in the face of
- in the face/teeth of
- in the family way
- in the flesh
- in the good graces of
- in the groove
- in the hole
- in the interest/interests of
- in the interest of