When the first course of masonry is laid, the mason spreads the mortar with his trowel, then using the point of the trowel he makes a pass down the middle of the mortar bed joint forming a groove and moving the mortar towards the face of the brick. This is known as ___?

When the first course of masonry is laid, the mason spreads the mortar with his trowel, then using the point of the trowel he makes a pass down the middle of the mortar bed joint forming a groove and moving the mortar towards the face of the brick. This is known as ___?