Enter a clue or pattern or both:
The Clue
Stop up, in a way (5 letter answer)
The Answer
CAULK
Tags
Notes
The answer CAULK is rarely seen, appearing only about once every 1100 puzzles.
Related Clues
Close a seam
Crack filler
Filler for a gun
Make watertight
Seal seams
Use oakum
Fill the crevices of, as a window frame
Use oakum or tar on a boat
Definition
CAULK as a noun:
1. (caulk, caulking) = a waterproof sealant and filler that is used in building and repair to make watertight
CAULK as a verb:
1. (caulk, calk) = seal with caulking; "caulk the window"