The office of aجَرِىّ, i. e. a commissioned agent, factor, or deputy; (S, K;) and of a messenger: (S:) as also ↓جَرَايَةٌ. (TA.)
2.
-A2- A running [or permanent] daily allowance of food or the like. (S, TA.) [Hence, in the present day, خُبْزُ جِرَايَةٍBread made of inferior flour, for servants and other dependants.]