括线

Traditional form:

括線

Pinyin (reading):

kuòxiàn

Definitions:

• (math.) vinculum

Characters:

• 括 - to embrace, to enclose, to include
• 线 - line, thread, wire; clue, trail

Traditional characters:

• 括 - to embrace, to enclose, to include
• 線 - line, thread, wire; clue, trail