a sill for a building frame composed of a plate resting on the basement wall and a header or joist at the outer edge of the plate.
BECOME A PRO CHEF WITH THIS EXQUISITE CUISINE QUIZ!
Even if you can't be a professional chef, you can at least talk like one with this vocabulary quiz.
Question 1 of 9
You may have read the word "simmer" in a recipe or two, but what does it really mean?
Compare box sill.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020