1. With a head whose diameter across is in the ratio of 8:1 lengthwise.

Nuttall's Standard dictionary of the English language By Nuttall, P.Austin

• vrachycephalic,
• nrachycephalic,
• hrachycephalic,
• grachycephalic,
• beachycephalic,
• bdachycephalic,
• bfachycephalic,
• btachycephalic,
• b5achycephalic,
• b4achycephalic,
• brzchycephalic,
• brschycephalic,
• brwchycephalic,
• brqchycephalic,
• braxhycephalic,
• brachcephalic,
• brachycephallic,
• brachicephalic,
• brachycephaly,
• Brachcephallic

• brachycranial,
• brachycranal,
• brachychiton,
• brachycranic.

The adjective form of the word "brachycephalic" is "brachycephalic".

The plural form of the word "brachycephalic" is "brachycephalics".

The singular form of the word "brachycephalic" is "brachycephalus".