5. Depression of tone; the state of being below the true pitch; --
opposed to sharpness or acuteness.
Fla*tour" (?), n. [OF.] A flatterer. [Obs.] Chaucer.
Flat"ten (flt"t'n), v. t. [imp. & p. p. Flattened (?); p. pr. & vb. n.
Flattening.] [From Flat, a.] 1. To reduce to an even surface or one
approaching evenness; to make flat; to level; to make plane.
2. To throw down; to bring to the ground; to prostrate; hence, to
depress; to deject; to dispirit.