Fat, a. [Compar. Fatter superl. Fattest ]
 1. Abounding with fat; as: (a) Fleshy; characterized by fatness; plump; corpulent; not lean; as, a fat man; a fat ox. (b) Oily; greasy; unctuous; rich; -- said of food.
 2. Exhibiting the qualities of a fat animal; coarse; heavy; gross; dull; stupid.
    Making our western wits fat and mean.   --Emerson.
    Make the heart of this people fat.   --Is. vi. 10.
 3. Fertile; productive; as, a fat soil; a fat pasture.
 4. Rich; producing a large income; desirable; as, a fat benefice; a fat office; a fat job.
    Now parson of Troston, a fat living in Suffolk.   --Carlyle.
 5. Abounding in riches; affluent; fortunate. [Obs.]
    Persons grown fat and wealthy by long impostures.   --Swift.
 6. Typog. Of a character which enables the compositor to make large wages; -- said of matter containing blank, cuts, or many leads, etc.; as, a fat take; a fat page.
 Fat lute, a mixture of pipe clay and oil for filling joints.