7. Clear; unmistakable; peremptory; absolute; positive; downright.

Flat burglary as ever was committed.

Shak.

A great tobacco taker too, -- that's flat.

Marston.

8. (Mus.) (a) Below the true pitch; hence, as applied to intervals,

minor, or lower by a half step; as, a flat seventh; A flat. (b) Not

sharp or shrill; not acute; as, a flat sound.

9. (Phonetics) Sonant; vocal; -- applied to any one of the sonant or

vocal consonants, as distinguished from a nonsonant (or sharp)

consonant.

Flat arch. (Arch.) See under Arch, n., 2. (b). -- Flat cap, cap paper,

not folded. See under Paper. -- Flat chasing, in fine art metal

working, a mode of ornamenting silverware, etc., producing figures by

dots and lines made with a punching tool. Knight. -- Flat chisel, a

sculptor's chisel for smoothing. -- Flat file, a file wider than its

thickness, and of rectangular section. See File. -- Flat nail, a small,

sharp- pointed, wrought nail, with a flat, thin head, larger than a

tack. Knight. -- Flat paper, paper which has not been folded. -- Flat

rail, a railroad rail consisting of a simple flat bar spiked to a

longitudinal sleeper. -- Flat rods (Mining), horizontal or inclined

connecting rods, for transmitting motion to pump rods at a distance.

Raymond. -- Flat rope, a rope made by plaiting instead of twisting;

gasket; sennit. Some flat hoisting ropes, as for mining shafts, are

made by sewing together a number of ropes, making a wide, flat band.

Knight. -- Flat space. (Geom.) See Euclidian space. -- Flat stitch, the

process of wood engraving. [Obs.] -- Flat tint (Painting), a coat of

water color of one uniform shade. -- To fall flat (Fig.), to produce no

effect; to fail in the intended effect; as, his speech fell flat.

Of all who fell by saber or by shot, Not one fell half so flat as

Walter Scott.

Lord Erskine.

Flat (?), adv. 1. In a flat manner; directly; flatly.

Sin is flat opposite to the Almighty.

Herbert.

2. (Stock Exchange) Without allowance for accrued interest. [Broker's

Cant]

<! p. 568 !>

Flat, n. 1. A level surface, without elevation, relief, or prominences;

an extended plain; specifically, in the United States, a level tract

along the along the banks of a river; as, the Mohawk Flats.

Envy is as the sunbeams that beat hotter upon a bank, or steep

rising ground, than upon a flat.

Bacon.

2. A level tract lying at little depth below the surface of water, or

alternately covered and left bare by the tide; a shoal; a shallow; a

strand.

Half my power, this night Passing these flats, are taken by the

tide.

Shak.

3. Something broad and flat in form; as: (a) A flat-bottomed boat,

without keel, and of small draught. (b) A straw hat, broad- brimmed and

low-crowned. (c) (Railroad Mach.) A car without a roof, the body of

which is a platform without sides; a platform car. (d) A platform on

wheel, upon which emblematic designs, etc., are carried in processions.

4. The flat part, or side, of anything; as, the broad side of a blade,

as distinguished from its edge.

5. (Arch.) A floor, loft, or story in a building; especially, a floor

of a house, which forms a complete residence in itself.

6. (Mining) A horizontal vein or ore deposit auxiliary to a main vein;

also, any horizontal portion of a vein not elsewhere horizontal.

Raymond.

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