1. Situated on, along or in the direction of an axis
   "The axial rotation of the Earth causes day and night"
    
2. Of or relating to or resembling an axis of rotation
   "The Earth's axial tilt causes the seasons"
    
3. (botany) relating to or attached to the axis
   "axial angle";
   - axile

See also: lengthways, lengthwise

Encyclopedia: Axial, Colorado