conoidal

adj

1. (not-comparable)Having the shape of a conoid; having a roughly conical shape.

   “And a moment later a conoidal bullet struck him square in the chest and knocked him flat in the dirt among his comrades.”

   “Many different forms have been given to the heads of projectiles, as flat, ogival, hemispherical, conoidal, parabolic, blunt trifaced, etc.”