とっこいし
Meanings
Noun
1. ground stone tool from the late Jomon period (named after its similarity to the Buddhist tokko)
Pitch accent
っこ
いし
Composed of
single-pronged vajra; tokko; dokko; cloth of a tokko pattern
stone; jewel; precious stone; flint (in a lighter); stone (in go); stone (in the bladder, kidney etc.); calculus