Arsis

Webster's Dictionary of the English Language

·noun That elevation of voice now called metrical accentuation, or the rhythmic accent.

II. Arsis ·noun That part of a foot where the ictus is put, or which is distinguished from the rest (known as the thesis) of the foot by a greater stress of voice.

III. Arsis ·noun The elevation of the hand, or that part of the bar at which it is raised, in beating time; the weak or unaccented part of the bar;

— opposed to thesis.

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