(music) A large tuba whose coils fit around the player's shoulders. / (physics) A low-frequency electromagnetic wave observed in various plasmas.

plural of helicon

(physics) Relating to a helicon

A mountain of Boeotia sacred to Apollo and the Muses.

plural of heliconia

Any of genus Heliconia of flowering plants.

Of or pertaining to Helicon.

plural of heliconiid

(zoology) Any butterfly in the family Heliconiidae, now considered to be the nymphalid subfamily Heliconiinae.

(zoology) Of or relating to the Heliconian butterflies.