a. [f. BOLE sb. + -AR1: cf. F. bolaire.] Consisting of, or of the nature of, bole.
1676. Phil. Trans., XI. 615. Some are marly some bolar, some sandy, some talky, some limy.
1791. Hamilton, Berthollets Dyeing, I. Introd. 20. Some of the bolar earths were likewise employed [in washing].
1852. Th. Ross, trans. Humboldts Trav., II. xxiv. 502. The bolar and sigillated earths of Lemnos, which are clay mingled with oxide of iron.