SYNONYMY NOTE: irritable implies quick excitability to annoyance or anger, usually resulting from emotional tension, restlessness, physical indisposition, etc.; , irascible, choleric are applied to persons who are hot-tempered and can be roused to a fit of anger at the slightest irritation; , splenetic suggests a peevish moroseness in one quick to ...
Quick Answer. A map direction symbol is called a compass rose, and a simple compass rose symbol may only depict the four cardinal directions of north, east, west and south. A compass rose has been used on charts, atlases and maps by navigators since the 14th century. A more detailed compass rose can show many other directions.
A compass needle aligns itself and points toward the top of Earth's magnetic field, giving explorers and lost souls a consistent sense of direction.