rare–1. [f. THIRD sb. + -ER1.] In thirder and teinder, one who pays by way of rent the ‘third and teind’ (see THIRD B. II. 1).
1884. J. Tait, in U. P. Mag., April, 156/2. Another case resembles the arrangement of thirders and teinders described by Arthur Young as existing in some parts of France.
