EXAMPLES FROM THE WEB FOR CONOID
Its conoid shape may class it with the one shown in Fig. 24.
From some experiments I made myself a score of years ago, I am inclined to prefer a plane surface for the conoid to work upon.
The head is grooved, circular in cross section, and has conoid ends.
Down the mountain slopes, like a whirl of shining dust blown before the wind, a crimson, conoid cloud came dancing.