| 释义 |
sundial
\ˈ ̷ ̷ˌ ̷ ̷ ̷ ̷\ noun
1. : an instrument to show the time of day by the shadow of a gnomon on a usually horizontal plate or on a cylindrical surface
2. [so called from the fact that its leaves incline up to 90 degrees to follow the sun] : a common lupine (Lupinus perennis) of the eastern United States |