Spall \Spall\, n. [OF. espaule; cf. It. spalla. See Epaule.]

The shoulder. [Obs.]

--Spenser.

Source: Webster's Revised Unabridged Dictionary (1913)
 

Spall \Spall\, n. [Prov. E. spall, spell. See Spale, Spell a splinter.]

A chip or fragment, especially a chip of stone as struck off the block by the hammer, having at least one feather-edge.

Source: Webster's Revised Unabridged Dictionary (1913)
 

Spall \Spall\, v. t.

1. (Mining) To break into small pieces, as ore, for the purpose of separating from rock. --Pryce.

2. (Masonry) To reduce, as irregular blocks of stone, to an approximately level surface by hammering.

Source: Webster's Revised Unabridged Dictionary (1913)
 

Spall \Spall\, v. i. To give off spalls, or wedge-shaped chips; -- said of stone, as when badly set, with the weight thrown too much on the outer surface.

Source: Webster's Revised Unabridged Dictionary (1913)