plural of bicone

consisting of two cones placed together apex to apex

(geometry) The three-dimensional shape swept by revolving an isosceles triangle around its edge of unequal length, or by joining two identical right circular cones, base to base.

In a biconical manner.

Having the form of two cones

(informal) An iconic bisexual celebrity or fictional character, or a celebrity or fictional character (including if not bisexual) who is much admired by (and iconic) to bisexual people.

plural of bicon