[f. as prec. + -ER1.] A performer on the triangle in a musical band.
1840. New Monthly Mag., LX. 79. Mr. Gamut not knowing where to find another professional triangler.
a. 1868. M. J. Higgins, Ess. (1875), 251. His grandson, who had lately been elevated to the post of triangler in the band of the Duke of York’s school.
