sill

Everyday

1. A sill is the flat shelf at the bottom of a window, inside or outside. tree →
2. A sill is also the bottom part of a door frame. tree →
3. In geology, a sill is a flat layer of rock that formed when hot melted rock pushed between other layers. tree →

In the lessons

In everyday life, people keep plants, ornaments or a cat on the window sill. In science, children grow seeds on a sunny window sill. In stories, a bird lands on the window sill. Phrases: «window sill» (also «windowsill»), «door sill».

Examples

• The cat sat on the window sill in the sun. tree →
• We put our bean seeds on the sill to grow. tree →
• A robin landed on the sill outside. tree →
• Grandma left a pie to cool on the window sill. tree →
• There was dust all along the sill. tree →
• Rain dripped off the sill onto the path. tree →
• Don't sit on the sill of an open window — it is not safe. tree →
• When he had done pecking he got upon the window-sill, opened his wings, and flew right away. tree →

Note

Countable noun: «a sill, sills». Often «window sill» or «windowsill». Do not confuse with «sell» or «silly». Safety: never climb or sit on the sill of an open window high up.