sundial

n device showing the time on a clock-like dial by means of a pointer whose shadow moves as the sun moves across the sky 日规; 日晷（仪）.

sun-glasses, sun-god, sun-hat, sun-lamp, sun-ray, sun-roof, sun-tan, sun-tanned, sun-trap, sun-up, sun-worship, sun-worshipper, sunbathe, sunbeam, sunburn, sunburned, sunburnt, sundae, Sunday, Sunday school, sunder, sundown, sundowner, sundries, sundry, sunfish, sunflower, sung, sunk, sunken, sunless, sunlight, sunlit, sunnily, sunniness, sunny, sunny-side up, sunrise, sunset, sunshade, sunshine,