Kanji Detail for 驂 - "three-horse team, trace horse, escort rider"

驂

Non-Jōyō Kanji

Meaning
驂 means "three-horse team, trace horse, escort rider."
1. Three-horse team - A chariot drawn by three horses.
2. Trace horse - An auxiliary horse alongside the main carriage horse.
3. Escort rider - One who rides alongside to guard a noble.
Dictionary Citations
The meaning above is based on the following sources:

KANJIDIC2 A comprehensive Japanese-English kanji dictionary

extra driver or horse

Unihan Unicode Han Database for CJK characters

two outside ones in three horse

CC-CEDICT A Chinese-English dictionary

outside horses of a team of 4

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

The horses on either side of a carriage team. | Riding along is called 驂乘. Refers to the person on the right side of a chariot.
Onyomi

san(さん)
Kunyomi

soeuma
Strokes

21 strokes
Radical

馬 (uma・umahen)
Related Keywords
three horse team chariot drawn horses trace auxiliary alongside main carriage escort rider rides guard