*arion*

n. [ OE. clarioun, OF. clarion, F. clairon, LL. clario, claro; so called from its clear tone, fr. L. clarus clear. See Clear. ] A kind of trumpet, whose note is clear and shrill. [ 1913 Webster ]

He sounds his imperial clarion along the whole line of battle. E. Everett. [ 1913 Webster ]

n. [ See Clarion, Clarinet. ] (Mus.) See Clarinet. [ 1913 Webster ]

‖n. [ NL., fr. Gr. &unr_; a pony, dim. of &unr_; a horse. ] (Paleon.) An extinct genus of Tertiary mammals allied to the horse, but three-toed, having on each foot a small lateral hoof on each side of the main central one. It is believed to be one of the ancestral genera of the Horse family.

‖n.; pl. Hypoaria [ NL., fr. Gr. "ypo` beneath + &unr_; a little egg.] (Anat.) An oval lobe beneath each of the optic lobes in many fishes; one of the inferior lobes. Owen. [1913 Webster]

n. [ F. marionette, prop. a dim. of Marie Mary. ] 1. A puppet moved by strings, as in a puppet show. [ 1913 Webster ]

2. (Zool.) The buffel duck. [ 1913 Webster ]

n. (Mus.) An old instrument of the lute or cittern kind. [ Spelt also orpheoreon. ] [ 1913 Webster ]