Pot″lid′ (?), n. The lid or cover of a pot.
Potlid valve, a valve covering a round hole or the end of a pipe or pump barrel, resembling a potlid in form.
Webster's Dictionary 1913
Pot″lid′ (?), n. The lid or cover of a pot.
Potlid valve, a valve covering a round hole or the end of a pipe or pump barrel, resembling a potlid in form.