To begin digging in the earth at the start of a new construction, or, originally, for cultivation.
To initiate a new venture, or to advance beyond previous achievements.
To separate from the ground on takeoff; to become airborne.
To lift off the sea bottom when being weighed.
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 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.