To form curds so that it no longer flows smoothly; to cause to form such curds. (usually said of milk)
To cause a liquid to spoil and form clumps so that it no longer flows smoothly
To clot or coagulate; to cause to congeal, such as through cold. (metaphorically of blood)
To turn sour and coagulate from too long standing, as milk.
A person who lops.
A gardening tool used for lopping.