Obs. Also 7 spador, 8 spadier. [Explained by Holland (Camdens Brit., 185) as f. SPADE sb.1, but perh. an error for SPALLIARD.] A laborer in the Cornish tin-mines.
1610. Holland, Camdens Brit., To Rdr. 3. A Spadiard that worketh in mines, who while he followeth the maine vaines, seeth not the hidden small fillets.
c. 1630. Risdon, Surv. Devon (1811), 11. There are also labourers, that serve for daily wages, whereof be two sorts: the one is called a spadiard, a daily labourer in tin works.
1630. T. Westcote, View Devon., I. xi. (1845), 53. Of these last are two sorts; one named a spador or searcher for tin.
[1661. Blount, Glossogr. (ed. 2), Spadiards, Laborers in the Tin-mines of Cornwall.
1706. Phillips (ed. Kersey), Spadiers, Labourers that dig in the Mines in Cornwall.]