Keyed

a. [f. KEY sb.¹ or v. + -ED.]

  1.  Of a musical instrument: Furnished with keys. Keyed bugle = KEY-BUGLE.

1796.  Burney, Mem. Metastasio, II. 320, note. Pieces for keyed-instruments.

1806.  Callcott, Mus. Gram., II. i. 99. Both which are, upon Keyed Instruments, performed with the same Keys.

1849.  Longf., Kavanagh, xxix. Silas, who breathed his soul out upon the air of summer evenings through a keyed bugle.

  2.  In carpentry, engineering, etc.: Secured, fastened or strengthened by means of a key.

1823.  P. Nicholson, Pract. Build., 587. Keyed-dado, dado secured from warping by bars grooved into the back.

1874.  Thearle, Naval Archit., 79. A keyed and riveted scarph, joining two arms.

  3.  Of an arch: Constructed with a keystone.

1841.  W. Spalding, Italy & It. Isl., I. iv. 155. In the time of Pericles … we discover in at least one of the great temples of Greece the keyed arch. Ibid., v. 183. The keyed arch was introduced for strength.