tributer

[Eng. tribut (e); -er.] Mining: One who excavates ore from a mine; one who works on tribute. "The tributers work only at the extraction of ore. They form themselves into parties who agree to work a portion of a lode for a given time in the best manner they can, receiving as their remuneration a certain portion of the value of the ores raised, as may be agreed upon."-Ca ell's Technical Educator , iii. 54. tri-ca, s . [Probably from Lat. tricæ (pl.)=(1) trifles, toys; (2) vexations, perplexities, from Trica, an unimportant town in Apulia.] Bot.: A button-like shield, the surface of which is covered with sinuous concentric furrows. It is found in Gyrophora, a genus of Lichens. Called also Gyroma. lar (q.v..] tri-căp-su-lar, a. [Pref. tri-, and Eng. capsu Bot.: Three-capsuled; having three capsules to each flower. tri-car-bal-ll-ic, a. [Pref. tri-, and Eng. car ballylic.] [CARB ALLYLIC-ACID.]