Geology An approximately horizontal sheet of igneous rock intruded between older rock beds.
from The American Heritage Dictionary of the English Language, 4th Edition
The horizontal member that bears the upright portion of a frame, especially the horizontal member that forms the base of a window.
from The American Heritage Dictionary of the English Language, 4th Edition
a horizontal piece (as a timber) that forms the lowest member or one of the lowest members of a framework or supporting structure as.
from Free Scrabble Dictionary
The horizontal member at the base of a window.
from Free Scrabble Dictionary
The threshold of a door.
from Free Scrabble Dictionary
Find More Words!
Here are some other words you could make with the letters SILL, you can also use this lookup tool to help you find words with our scrabble word finder.
We're always trying to find interesting facts about words. We would love your input to help us find something interesting about sill. If you know something, let us know. Please make sure you write it in your own words. If we like it we will post it.