1. (n.) Anything that has a form resembling that of a cone.

2. (n.) A solid formed by the revolution of a conic section about its axis; as, a parabolic conoid, elliptic conoid, etc.; -- more commonly called paraboloid, ellipsoid, etc.

3. (n.) A surface which may be generated by a straight line moving in such a manner as always to meet a given straight line and a given curve, and continue parallel to a given plane.

4. (a.) Resembling a cone; conoidal.

acoustical network ament capacitor speaker capitulum catkin coaxial speaker complex cone conelet conoid cop cornet corymb crossover network cyme diaphragm dynamic speaker earphone electrodynamic speaker electromagnetic speaker electrostatic speaker excited-field speaker full-fidelity speaker funnel head headphone headset high-fidelity speaker high-frequency speaker horn ice-cream cone loudspeaker low-frequency speaker midrange speaker monorange speaker moving-coil speaker panicle permanent magnet speaker pine cone raceme spadix speaker speaker system speaker unit spike spikelet strobile thyrse triaxial speaker tweeter umbel verticillaster voice coil woofer