• IPA: /ˈsʌnˌdaɪəl/

sundial (plural sundials)

1. A device measuring the time of day by the position of a shadow cast by a pole or plate (gnomon) upon an engraved series of marks.
   • 1907, Robert William Chambers, chapter VIII, in The Younger Set, New York, N.Y.: D. Appleton & Company, OCLC 24962326 ↗:

     Elbows almost touching they leaned at ease, idly reading the almost obliterated lines engraved there.
     "I never understood it," she observed, lightly scornful. "What occult meaning has a sun-dial for the spooney? I'm sure I don't want to read riddles in a strange gentleman's optics."

• French: cadran solaire
• German: Sonnenuhr
• Italian: meridiana, orologio solare, gnomone, eliotropio
• Portuguese: relógio de sol, relógio do sol, relógio solar, solário
• Russian: со́лнечные часы́
• Spanish: reloj solar, reloj de sol