konju -kon-ko'u- gismu

x1 is a cone [shape/form] of material x2 with vertex x3.

Also ellipse, ellipsoid (= konclupa). See also jesni, djine, sovda, kojna, jganu.


In notes:

djine
x1 is a ring/annulus/torus/circle [shape/form] of material x2, inside diam. x3, outside diam. x4.
jesni
x1 is a needle [pointed shape/form, not tool] of material x2.
jganu
x1 is an angle [2-dimensional shape/form] from vertex x2 subtended by lateral [segment] x3.
kojna
x1 is a corner/point/at-least-3-dimensional [solid] angle [shape/form] in/on x2, of material x3.
sovda
x1 is an egg/ovum/sperm/pollen/gamete of/from organism [mother/father] x2.