OVERTOIL
O`ver*toil", v. t.

Defn: To weary excessively; to exhaust. Then dozed a while herself, but overtoiled By that day's grief and travel. Tennyson.

OVERTONE
O"ver*tone`, n. Etym: [A translation of G. oberton. See Over,Tone.]
(Mus.)

Defn: One of the harmonics faintly heard with and above a tone as it dies away, produced by some aliquot portion of the vibrating sting or column of air which yields the fundamental tone; one of the natural harmonic scale of tones, as the octave, twelfth, fifteenth, etc.; an aliquot or "partial" tone; a harmonic. See Harmonic, and Tone. Tyndall.

OVERTOP
O`ver*top", v. t. [imp. & p. p. Overtopped; p. pr. & vb. n.
Overtopping.]

1. To rise above the top of; to exceed in height; to tower above. "To old Pelion." Shak.

2. To go beyond; to transcend; to transgress. If kings presume to overtop the law by which they reign, . . . they are by law to be reduced into order. Milton.

3. To make of less importance, or throw into the background, by superior excellence; to dwarf; to obscure. Becon.

OVERTOWER
O`ver*tow"er, v. t.

Defn: To tower over or above.