n.

A splinter or fragment, as of wood or stone. See Spall.

Spawl
n.

[Cf. AS. spātl, fr. spǣtan to spit; probably akin to spīwan, E. spew. Cf. Spew.]
Scattered or ejected spittle.

Spawl
v. i. & t.

[imp. & p. p. Spawled ; p. pr. & vb. n. Spawling.]
[Cf. AS. spātlian.]
To scatter spittle from the mouth; to spit, as saliva.

Why must he sputter, spawl, and slaver it
In vain, against the people's favorite.

Swift.

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IN BRIEF: n. - A fragment broken off from the edge or face of stone or ore and having at least one thin edge.