Floreos (m) (plurale tantum?)
plural: = singular; (with) definite article: losintroduction to any melody, traditionally used as tuning check
From "florear" [to decorate (with flowers)] ?; Introduction to any melody, traditionally used as tuning check; NB: The singular form (el Floreu) is apparently never used;
NB: Compare similar terms (Fleur, and Floriation, &c.).
La gaita asturiana: método para su aprendizaje. Oviedo, s.a. [1991], p.253.