flathead, flat headed

1. Anthrop.: Having a flat head; spec if.: in ethnology applied to the Flat-heads, a tribe of the Ohinook Indians, who were said to use artificial means to make their heads flat. 2. Ichthy.: The name given in Queensland to the anomalous fish genus Ceratodus (q. v.). Flat - head nail : A forged nail with a round, flat head and a light, rounded, pointed body.