Answer: SUNDIAL

AnswerCrossword Clue
SUNDIALOne way to tell time.
sundialan instrument to show the time of day by the shadow of a gnomon on a usually horizontal plate or on a cylindrical surface
sundiala type of time-telling device
SUNDIALOutdoor timer
SUNDIALGarden fixture
SUNDIALClock's ancestor
SUNDIALTimepiece of a sort
SUNDIALGarden clock
SUNDIALGarden adornment.
SUNDIALTime-Teller.
SUNDIALOne-time timepiece.
SUNDIALTime teller.
SUNDIALEarly timekeeper
SUNDIALHorologe.
SUNDIALNon-windable timepiece.
SUNDIALOutdoor timer.
SUNDIALThe common lupine.
SUNDIALTime-teller at Princeton U.
SUNDIALItem with a gnomon
SUNDIALOld timer?
SUNDIALOld timer
SUNDIALDay timer?
SUNDIALWristwatch predecessor