Word Study
sundial
CIDE DICTIONARY
sundial, n.
An instrument to show the time of day by means of the shadow of a gnomon, or style, on a plate. [1913 Webster]
OXFORD DICTIONARY
sundial, n. an instrument showing the time by the shadow of a pointer cast by the sun on to a graduated disc.
ROGET THESAURUS
sundial
Chronometry
N chronometry, horometry, horology, date, epoch, style, era, almanac, calendar, ephemeris, register, registry, chronicle, annals, journal, diary, chronogram, clock, wall clock, pendulum clock, grandfather's clock, cuckoo clock, alarm clock, clock radio, watch, wristwatch, pocket watch, stopwatch, Swiss watch, atomic clock, digital clock, analog clock, quartz watch, water clock, chronometer, chronoscope, chronograph, repeater, timekeeper, timepiece, dial, sundial, gnomon, horologe, pendulum, hourglass, clepsydra, ghurry, chronographer, chronologer, chronologist, timekeeper, annalist, calendar year, leap year, Julian calendar, Gregorian calendar, Chinese calendar, Jewish calendar, perpetual calendar, Farmer's almanac, fiscal year, chronological, chronometrical, chronogrammatical, cinquecento, quattrocento, trecento, o'clock.For further exploring for "sundial" in Webster Dictionary Online