Related topics: Measurement, Outdoor
sun·dial /ˈsʌndaɪəl/ noun [countableC]
TMDLOan object used in the past for telling the time. The shadow of a pointed piece of metal shows the time and moves round as the sun moves. 日晷 →4 See picture of 见图 CLOCK 1 →5 see picture at 见图 clock1