Smart Definition
Etymology
Pronunciation
mayor
greater
mayor
chief official of a town
+
major
greater in importance
Mayor means greater. While it looks like the English word mayor0, it's actually closer in meaning to major1, as in greater in importance1.
adjective
  1. greater
    greater, larger, or older
    Mi hermano mayor tiene 30 años. // My older brother is 30 years old.
  2. adult
    adult, of legal age
    Sólo los mayores pueden entrar en este bar. // Only adults can enter this bar.