6. (Mining) A horizontal vein or ore deposit auxiliary to a main vein; also, any horizontal portion of a
vein not elsewhere horizontal. Raymond.
7. A dull fellow; a simpleton; a numskull. [Colloq.]
Or if you can not make a speech,
Because you are a flat.
Holmes. 8. (Mus.) A character [&flat] before a note, indicating a tone which is a half step or semitone lower.
9. (Geom.) A homaloid space or extension.
Flat
(Flat) v. t. [imp. & p. p. Flatted ; p. pr. & vb. n. Flatting ]
1. To make flat; to flatten; to level.
2. To render dull, insipid, or spiritless; to depress.
Passions are allayed, appetites are flatted.
Barrow. 3. To depress in tone, as a musical note; especially, to lower in pitch by half a tone.
Flat
(Flat), v. i.
1. To become flat, or flattened; to sink or fall to an even surface. Sir W. Temple.
2. (Mus.) To fall form the pitch.
To flat out, to fail from a promising beginning; to make a bad ending; to disappoint expectations. [Colloq.]
Flatbill
(Flat"bill`) n. (Zoöl.) Any bird of the genus Flatyrynchus. They belong to the family of flycatchers.
Flatboat
(Flat"boat`) n. A boat with a flat bottom and square ends; — used for the transportation of bulky
freight, especially in shallow waters.
Flat-bottomed
(Flat"-bot`tomed) a. Having an even lower surface or bottom; as, a flat-bottomed boat.
Flat-cap
(Flat"-cap`) n. A kind of low- crowned cap formerly worn by all classes in England, and continued
in London after disuse elsewhere; — hence, a citizen of London. Marston.
Flatfish
(Flat"fish`) n. (Zoöl.) Any fish of the family Pleuronectidæ; esp., the winter flounder The flatfishes
have the body flattened, swim on the side, and have eyes on one side, as the flounder, turbot, and halibut.
See Flounder.
Flat foot
(Flat" foot`) (Med.) A foot in which the arch of the instep is flattened so that the entire sole of
the foot rests upon the ground; also, the deformity, usually congential, exhibited by such a foot; splayfoot.
Flat-footed
(Flat"-foot`ed), a.
1. Having a flat foot, with little or no arch of the instep.
2. Firm-footed; determined. [Slang, U.S.]
Flathead
(Flat"head`) a. Characterized by flatness of head, especially that produced by artificial means,
as a certain tribe of American Indians.
Flathead
(Flat"head`), n. (Ethnol.) A Chinook Indian. See Chinook, n., 1.
