- The definition of a frater is a brother in a fraternity.
An example of a frater is a member of Sigma Alpha Epsilon.
Obsolete the eating room, or refectory, in a monastery
Origin of fraterMiddle English freitour ; from Anglo-French fraitur, aphetic for Old French refreitor, refeitor ; from Medieval Latin refectorium
- a brother or comrade, esp. as in a fraternity
- Obsolete a friar
Origin of fraterClassical Latin literally , brother