† string-hearthObs. In 5 stryngherth. [? f. string n.] The hearth or furnace at which iron was heated for its second working. 1409Durham Acc. Roll in Eng.Hist.Rev. XIV. 520 Soluta pro i trowe empto pro le stryngherth.Ibid. 527 Et uxori ejusdem laboranti ad le stryngherth in fabricatione dictorum xii blomes, xiid.