Any trench, channel, or groove, as in wood or metal.
A trench cut in the soil, as when plowed in order to plant a crop.
A deep wrinkle in the skin of the face, especially on the forehead.
To cut one or more grooves in (the ground, etc.).
To wrinkle.
To pull one's brows or eyebrows together due to concentration, worry, etc.
A single-reed instrument musical instrument of the woodwind family, usually made of brass and with a distinctive loop bringing the bell upwards.