Fat, a. [Compar.Fatter (?); superl.Fattest (?).] [AS. fǣtt; akin to D. vet, G. fett, feist, Icel. feitr, Sw. fet, Dan. fed, and perh. to Gr. πι̑δαξ spring, fountain, πιδύειν to gush forth, πίων fat, Skr. pi to swell.] 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.
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.