Answer:

LID

AnswerCrossword Clue
LIDHat
LIDJack-in-the-box part
LID"Flip one's ..."
LIDBox top
LIDIt may be flipped
LIDIt's kept on for secrecy
LIDPan cover
LIDTeakettle topper
LIDCover
LIDOverhead item
LIDPot hat
LIDPot top
LIDTopper
LIDOne might hide what's in your pot
LID"Put a .. on it!"
LIDTupperware top
LIDRemovable cover
LIDSomething to flip
LIDLimit
LIDCaserole cover
LIDChapeau
LIDPot topper
LIDCover for a pot
LIDTin topper
LIDCoffee-to-go need
LIDMaximum
LIDCloser, jarwise
LIDTop
LIDChest's top
LIDPrice restraint
LIDEye liner?
LIDPercolator part
LIDSaucepan sealer
LIDSaucepot cover
LIDHat, in slang
LIDSugar bowl part
LIDLash locale
LIDIt's flipped in anger
LIDStyrofoam cup topper
LIDTravel mug topper