conical

Short definition from Wiktionary

Adjective

1. 1
   Of or relating to a cone or cones.
2. 2
   Shaped like a cone.
3. 3
   Describing a map projection in which meridians are mapped to equally spaced lines radiating out from the apex and parallels of latitude are mapped to circular arcs centred on the apex.

Noun

1. 1
   A bullet with a conical shape.