What is "jagging"

Tympanize \Tym"pa*nize\, v. i. [L. tympanizare to beat a drum, Gr. ?.] To drum. [R.]
--Coles.

Tympanize \Tym"pa*nize\, v. t. [imp. & p. p. Tympanized; p. pr. & vb. n. Tympanizing.] To stretch, as a skin over the head of a drum; to make into a drum or drumhead, or cause to act or sound like a drum. [Obs.] ``Tympanized, as other saints of God were.''
--Oley.

Jag \Jag\, v. t. [imp. & p. p. Jagged; p. pr. & vb. n. Jagging.] To cut into notches or teeth like those of a saw; to notch.

Jagging iron, a wheel with a zigzag or jagged edge for cutting cakes or pastry into ornamental figures.

vb. 1 (context obsolete transitive English) To stretch, as a skin over the head of a drum; to make into a drum or drumhead, or cause to act or sound like a drum. 2 (context obsolete intransitive English) To drum.

vb. (present participle of jag English)

See jag

1. v. cut teeth into; make a jagged cutting edge

2. [also: jagging, jagged]

1. n. a sharp projection on an edge or surface; "he clutched a jag of the rock"

2. a slit in a garment that exposes material of a different color underneath; used in Renaissance clothing

3. a flap along the edge of a garment; used in medieval clothing [syn: dag]

4. a bout of drinking or drug taking

5. [also: jagging, jagged]