さいぼしMeanings1nounsmoked horse meatfood / cookingA regional specialty, particularly associated with Kumamoto Prefecture. Often served thinly sliced as sashimi or used in other dishes.熊くま本もとでは、さいぼしは馬ば刺さしの一いっ種しゅとして親したしまれている。In Kumamoto, saiboshi is enjoyed as a type of horse sashimi.