SPALL
spall, spawl
(noun) a fragment broken off from the edge or face of stone or ore and having at least one thin edge; “a truck bearing a mound of blue spalls”
Source: WordNet® 3.1
Etymology 1
Noun
spall (plural spalls)
A splinter, fragment or chip, especially of stone.
Verb
spall (third-person singular simple present spalls, present participle spalling, simple past and past participle spalled)
(ambitransitive) To break into fragments or small pieces.
(transitive) To reduce, as irregular blocks of stone, to an approximately level surface by hammering.
Etymology 2
Noun
spall (plural spalls)
(obsolete, rare) The shoulder.
Anagrams
• palls
Source: Wiktionary
Spall, n. Etym: [OF. espaule; cf. It. spalla. See Epaule.]
Definition: The shoulder. [Obs.] Spenser.
Spall, n. Etym: [Prov. E. spall, spell. See Spale, Spell a splinter.]
Definition: A chip or fragment, especially a chip of stone as struck off
the block by the hammer, having at least one feather-edge.
Spall, v. t.
1. (Mining)
Definition: To break into small pieces, as ore, for the purpose of
separating from rock. Pryce.
2. (Masonry)
Definition: To reduce, as irregular blocks of stone, to an approximately
level surface by hammering.
Spall, v. i.
Definition: 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 Unabridged Dictionary 1913 Edition