three-way junction; three-way intersection
Refers to a Y-shaped or T-shaped fork in a road where three paths meet.
この先の三叉路を右に曲がってください。
Turn right at the three-way junction ahead.
三叉路の真ん中に大きな木が立っている。
A large tree stands in the middle of the three-way intersection.
Standard kanji spelling; 叉 means 'fork' and clearly conveys a three-way split.
Variant using 差; less common but still encountered.
Compound of 三 (three), 叉 (fork), and 路 (road). The spelling 三叉路 is the most common representation.