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.
For example, a declination angle of 5 degrees means that magnetic north is 5 degrees clockwise from true north. Set your compass needle to point to true north. A lensatic compass typically allows you to rotate the compass needle to true north and lock it so that it always points to true north.