separate category; special quota; outside the norm
Refers to something treated as an exception, placed in its own category, or handled under a separate framework, often in administrative, budgetary, or selection contexts.
This budget is secured under a separate category.
He passed under a special quota for the recommendation-based entrance exam.
Compound of 別 (separate) and 枠 (frame, limit, quota). The exact historical derivation is uncertain, but the word is a straightforward modern combination.