nigiriEtymologyBorrowed from Japanese 握り (nigiri, “grasping, gripping”, short for 握り寿司 nigirizushi, literally “gripped sushi” from the way the sushi rice is molded in the hand).nigiri means Regular sushi: a piece of raw fish (or other topping) on top of a small oblong brick of sticky white rice. Lexicurio rates it Sui generis — a strength score of 90 out of 100.nounRegular sushi: a piece of raw fish (or other topping) on top of a small oblong brick of sticky white rice.