Akufu (ax with handgrip), Nigiri-tsuchi (hammer with handgrip), Hand Axe: A kind of stone tool having edges formed by beating a whole part of a pebble from both sides
握斧、握槌、ハンド＝アックス(HandAxe)礫の全体を両面から打ち欠いて刃をつけた石器。