Synonyms for Cone (same or very similar meaning)
WordNet sense 1 (a shape whose base is a circle and whose sides taper up to a point):
conoid, cone shapeWordNet sense 2 (cone-shaped mass of ovule- or spore-bearing scales or bracts):
strobile, strobilusWordNet sense 3 (visual receptor cell sensitive to color):
cone cell, retinal coneFrom the ODE community, based on WordNetadd/edit