1. A direction that forms a 90-degree angle with another line, plane, or direction
The perpendicular direction to the horizontal line is vertical.
A direção perpendicular à linha horizontal é vertical.
2. In geometry, a line or vector that intersects another at right angles
Move in the perpendicular direction to reach the target point.
Mova-se na direção perpendicular para atingir o ponto-alvo.