On or towards the left and the right; on both sides; in both directions.
On all sides
To move to the right and left successively, as part of a single action; to weave or dodge from right to left.
On or towards the right and the left; on both sides; in both directions.
A shot from both barrels of a double-barrelled shotgun; an instance of hitting game with the shots from both barrels.
= right and left.
A screw with threads at each end running in opposite directions.
= right-and-left screw.