Chambers's Twentieth Century Dictionary…
“ Bole, bōl, n. an earthy mineral resembling clay in structure, and consisting essentially of silica, alumina, red oxide of iron, and water; the bole of Lemnos, Lemnian Earth, is red in colour, and was once used as a tonic and astringent medicine. [Gr. bōlos, a clod.] Bole, bōl, n. a recess in a wall: an opening to admit light and air. [Scot.; origin unknown.] Bolero, bo-lā′ro, or bo-lē′ro, n. Spanish national dance: also the air to which it is danced. [Sp.] Boletus, bol-ē′tus, n. a genus of fungi, having a pore-like surface occupying the place of gills. [Gr. bōlitēs, mushroom.] ”
