The kontos (κοντός) was the Greek name for a type of long wooden cavalry lance used by the Iranians, especially Achaemenid successors' cavalry, most notably cataphracts (Grivpanvar).- Kontos (weapon)
There were also the Ippiko (or "Horserider"), Greek "heavy" cavalry, armed with kontos (or cavalry lance), and sword.- Cavalry
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A lance is a spear designed to be used by a mounted warrior or cavalry soldier (lancer).
The Byzantine cavalry used lances (Kontos (weapon) or kontarion) almost exclusively, often in assorted mounted archer and lancer formations (cursores et defensores).