U+21EFF "𡻿" CJK Unified Ideograph-# Unicode Character

The Unicode character 21EFF "𡻿" is a CJK (Chinese, Japanese, and Korean) ideograph encoded in the CJK Unified Ideographs Extension B block, part of the Unicode Standard's ongoing extension of the CJK Unified Ideographs beyond the original Basic Multilingual Plane block. Characters in blocks like this one are typically rare, historic, dialectal, or otherwise uncommon Han characters, often needed for personal names, place names, or classical and specialized texts that aren't covered by the more commonly used ideographs.