To wrinkle.
To cut one or more grooves in (the ground, etc.).
To pull one's brows or eyebrows together due to concentration, worry, etc.
A trench cut in the soil, as when plowed in order to plant a crop.
Any trench, channel, or groove, as in wood or metal.
A deep wrinkle in the skin of the face, especially on the forehead.
To cut into rashers.
A strip, a piece (of something, such as ham, bacon, etc).
A strip of bacon; a piece of bacon.