1. A maker or seller of hats.

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

• catter,
• hottes,
• hattia,
• hittler,
• hulter,
• uttter,
• hatre,
• harfer,
• haite,
• atteh,
• hutner,
• hacher,
• eatter,
• atter,
• heahter,
• hitted,
• hader,
• gatter,
• huter,
• hatie

• heater,
• hatiora,
• matter,
• batter,
• halter,
• hayter,
• chatter,
• tatter,
• harder,
• Hauteur,
• hutter,
• hattori,
• hotter,
• hate,
• hitter,
• shatter,
• hooter,
• latter,
• Haider,
• hater,
• fatter.

The adjective form of "hatter" is "hatterish".

The plural of the "hatter" can be the "hatters".

The singular of the "hatter" can be the "hatter".