var. or erron. f. teerer: see under TEER v.
1836. in Statist. Acc. Scotl. (1845), VIII. 384. Block-printers, journeymen 16, apprentices 44, Tierers, one to each printer.
1904. Eng. Dial. Dict., Tiering, the cieling or rendering of a roof; the plastering under slates.