The state, quality, or condition of being fat.

plural of fatness

plural of fat

Made fat; fattened.

Carrying more fat than usual on one's body; plump; not lean or thin. / Thick; large. / Bulbous; rotund. / Bountiful. / Oily; greasy; unctuous; rich (said of food).

(uncountable) A specialized animal tissue with high lipid content, used for long-term storage of energy: fat tissue. / Such tissue as food: the fatty portion of (or trimmings from) meat cuts.

(transitive, archaic) To make fat; to fatten. / (intransitive, archaic) To become fat; to fatten. / (transitive, golf) To hit (a golf ball) with a fat shot.

(obsolete) A large tub or vessel for water, wine, or other liquids; a cistern. / (obsolete) A dry measure, generally equal to nine bushels.

present participle of fat

(computing) Acronym of File Allocation Table or file allocation table. / Any of a series of file systems that use one or more FATs.