n.1 the act or process of directing; supervision.
2 (usu. in pl.) an order or instruction, esp. each of a set guiding use of equipment etc.
3 a the course or line along which a person or thing moves or looks, or which must be taken to reach a destination (sailed in an easterly direction). b (in pl.) guidance on how to reach a destination. c the point to or from which a person or thing moves or looks.
4 the tendency or scope of a theme, subject, or inquiry.
Phrases and idioms:
direction-finder a device for determining the source of radio waves, esp. as an aid in navigation.
Derivatives:
directionless adj.
Etymology: ME f. F direction or L directio (as DIRECT)