1. Nearly, but not exactly, conical.

Nuttall's Standard dictionary of the English language By Nuttall, P.Austin

• amyoidal,
• canonidal,
• signoidal,
• acnoddal,
• coroidal,
• eozoinal,
• gannoidal,
• canoidal,
• ovooidal,
• connida,
• conidaa,
• xonoidal,
• vonoidal,
• fonoidal,
• donoidal,
• cinoidal,
• cknoidal,
• clnoidal,
• cpnoidal,
• conoial

The adjective form of the word "conoidal" is "conoid".

The plural form of the word "conoidal" is "conoidals".

The singular form of the word "Conoidal" is "Conoid"