Kanji Detail for 垓 - "boundary, number"

垓

Non-Jōyō Kanji

Meaning
垓 means "boundary, number."
1. Boundary - A limit; an edge.
2. Number - A numerical unit; ten thousand times a jing (or anciently, a thousand times a hundred million).
Dictionary Citations
The meaning above is based on the following sources:

KANJIDIC2 A comprehensive Japanese-English kanji dictionary

border; boundary; staircase; hundred quintillion

Unihan Unicode Han Database for CJK characters

border, boundary, frontier

CC-CEDICT A Chinese-English dictionary

boundary

Make Me a Hanzi Open-source Chinese character data

border, boundary, frontier

XSZD Xuéshēng Zìdiǎn (學生字典) - Student's Dictionary

A number name. Ten thousand times ten thousand is 垓. | The remote lands beyond the nine provinces are called 九垓八埏. Hence the vastness of land is called 垓埏.
Onyomi

gai(がい)

kai(かい)
Kunyomi

ha.te(はて)

sakai(さかい)
Strokes

9 strokes
Radical

土 (tsuchi・tsuchihen・dohen)
Related Keywords
boundary limit edge number numerical unit ten thousand times jing